1478321385 has 8 divisors (see below), whose sum is σ = 2365314240. Its totient is φ = 788438064.

The previous prime is 1478321363. The next prime is 1478321393. The reversal of 1478321385 is 5831238741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1478321385 - 2¹⁸ = 1478059241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49277365 + ... + 49277394.

It is an arithmetic number, because the mean of its divisors is an integer number (295664280).

Almost surely, 2^1478321385 is an apocalyptic number.

1478321385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1478321385 is a deficient number, since it is larger than the sum of its proper divisors (886992855).

1478321385 is an equidigital number, since it uses as much as digits as its factorization.

1478321385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98554767.

The product of its digits is 161280, while the sum is 42.

The square root of 1478321385 is about 38448.9451740877. The cubic root of 1478321385 is about 1139.1728341003.

The spelling of 1478321385 in words is "one billion, four hundred seventy-eight million, three hundred twenty-one thousand, three hundred eighty-five".