609487620 has 48 divisors (see below), whose sum is σ = 1950361728. Its totient is φ = 139311360.

The previous prime is 609487601. The next prime is 609487663. The reversal of 609487620 is 26784906.

609487620 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725161 + ... + 726000.

It is an arithmetic number, because the mean of its divisors is an integer number (40632536).

Almost surely, 2^609487620 is an apocalyptic number.

609487620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

609487620 is an abundant number, since it is smaller than the sum of its proper divisors (1340874108).

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

609487620 is a wasteful number, since it uses less digits than its factorization.

609487620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451180 (or 1451178 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 609487620 is about 24687.8030614310. The cubic root of 609487620 is about 847.8550856708.

The spelling of 609487620 in words is "six hundred nine million, four hundred eighty-seven thousand, six hundred twenty".