609231456 has 60 divisors (see below), whose sum is σ = 1791740412. Its totient is φ = 203076288.

The previous prime is 609231443. The next prime is 609231457. The reversal of 609231456 is 654132906.

It is a happy number.

609231456 is a `hidden beast` number, since 609 + 2 + 3 + 1 + 45 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 609231456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609231457) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 114930 + ... + 120113.

Almost surely, 2^609231456 is an apocalyptic number.

It is an amenable number.

609231456 is an abundant number, since it is smaller than the sum of its proper divisors (1182508956).

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

609231456 is a wasteful number, since it uses less digits than its factorization.

609231456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235065 (or 235048 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 609231456 is about 24682.6144482306. The cubic root of 609231456 is about 847.7362862191.

The spelling of 609231456 in words is "six hundred nine million, two hundred thirty-one thousand, four hundred fifty-six".