612379964 has 12 divisors (see below), whose sum is σ = 1224759984. Its totient is φ = 262448544.

The previous prime is 612379951. The next prime is 612379969. The reversal of 612379964 is 469973216.

It is a happy number.

612379964 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612379969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10935329 + ... + 10935384.

It is an arithmetic number, because the mean of its divisors is an integer number (102063332).

Almost surely, 2^612379964 is an apocalyptic number.

It is an amenable number.

612379964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

612379964 is a wasteful number, since it uses less digits than its factorization.

612379964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21870724 (or 21870722 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 612379964 is about 24746.3121292850. The cubic root of 612379964 is about 849.1941446579.

The spelling of 612379964 in words is "six hundred twelve million, three hundred seventy-nine thousand, nine hundred sixty-four".