612338804 has 24 divisors (see below), whose sum is σ = 1336012608. Its totient is φ = 238573440.

The previous prime is 612338777. The next prime is 612338809. The reversal of 612338804 is 408833216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612338809) 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, 993749 + ... + 994364.

It is an arithmetic number, because the mean of its divisors is an integer number (55667192).

Almost surely, 2^612338804 is an apocalyptic number.

It is an amenable number.

612338804 is an abundant number, since it is smaller than the sum of its proper divisors (723673804).

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

612338804 is a wasteful number, since it uses less digits than its factorization.

612338804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988135 (or 1988133 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 612338804 is about 24745.4804762405. The cubic root of 612338804 is about 849.1751185542.

The spelling of 612338804 in words is "six hundred twelve million, three hundred thirty-eight thousand, eight hundred four".