1469720385 has 96 divisors (see below), whose sum is σ = 3057500160. Its totient is φ = 638928000.

The previous prime is 1469720383. The next prime is 1469720389. The reversal of 1469720385 is 5830279641.

1469720385 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1469720385 - 2¹ = 1469720383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

1469720385 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1469720385.

It is not an unprimeable number, because it can be changed into a prime (1469720381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 574860 + ... + 577410.

It is an arithmetic number, because the mean of its divisors is an integer number (31848960).

It is a 1-persistent number, because it is pandigital, but 2⋅1469720385 = 2939440770 is not.

Almost surely, 2^1469720385 is an apocalyptic number.

1469720385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1469720385 is an abundant number, since it is smaller than the sum of its proper divisors (1587779775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1469720385 is a wasteful number, since it uses less digits than its factorization.

1469720385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1469720385 is about 38336.9323890162. The cubic root of 1469720385 is about 1136.9592673661.

The spelling of 1469720385 in words is "one billion, four hundred sixty-nine million, seven hundred twenty thousand, three hundred eighty-five".