612424456 has 32 divisors (see below), whose sum is σ = 1389536640. Its totient is φ = 247027968.

The previous prime is 612424433. The next prime is 612424459. The reversal of 612424456 is 654424216.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (612424459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320700 + ... + 322603.

It is an arithmetic number, because the mean of its divisors is an integer number (43423020).

Almost surely, 2^612424456 is an apocalyptic number.

It is an amenable number.

612424456 is an abundant number, since it is smaller than the sum of its proper divisors (777112184).

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

612424456 is a wasteful number, since it uses less digits than its factorization.

612424456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643333 (or 643329 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 612424456 is about 24747.2110751899. The cubic root of 612424456 is about 849.2147100112.

The spelling of 612424456 in words is "six hundred twelve million, four hundred twenty-four thousand, four hundred fifty-six".