612923864 has 32 divisors (see below), whose sum is σ = 1314731520. Its totient is φ = 262417056.

The previous prime is 612923863. The next prime is 612923873. The reversal of 612923864 is 468329216.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612923863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56807 + ... + 66729.

It is an arithmetic number, because the mean of its divisors is an integer number (41085360).

Almost surely, 2^612923864 is an apocalyptic number.

It is an amenable number.

612923864 is an abundant number, since it is smaller than the sum of its proper divisors (701807656).

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

612923864 is a wasteful number, since it uses less digits than its factorization.

612923864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039 (or 11035 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 612923864 is about 24757.2992064967. The cubic root of 612923864 is about 849.4454810001.

It can be divided in two parts, 61292 and 3864, that added together give a palindrome (65156).

The spelling of 612923864 in words is "six hundred twelve million, nine hundred twenty-three thousand, eight hundred sixty-four".