612395004 has 96 divisors (see below), whose sum is σ = 1627521280. Its totient is φ = 177666048.

The previous prime is 612394997. The next prime is 612395039. The reversal of 612395004 is 400593216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909612 + ... + 910284.

Almost surely, 2^612395004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612395004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813760640).

612395004 is an abundant number, since it is smaller than the sum of its proper divisors (1015126276).

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

612395004 is a wasteful number, since it uses less digits than its factorization.

612395004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 612395004 is about 24746.6160110832. The cubic root of 612395004 is about 849.2010966464.

The spelling of 612395004 in words is "six hundred twelve million, three hundred ninety-five thousand, four".