64339412 has 12 divisors (see below), whose sum is σ = 113166900. Its totient is φ = 32006016.

The previous prime is 64339399. The next prime is 64339469. The reversal of 64339412 is 21493346.

It can be written as a sum of positive squares in 2 ways, for example, as 59691076 + 4648336 = 7726^2 + 2156^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40037 + ... + 41612.

It is an arithmetic number, because the mean of its divisors is an integer number (9430575).

Almost surely, 2^64339412 is an apocalyptic number.

It is an amenable number.

64339412 is a deficient number, since it is larger than the sum of its proper divisors (48827488).

64339412 is a wasteful number, since it uses less digits than its factorization.

64339412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81850 (or 81848 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 64339412 is about 8021.1851992084. The cubic root of 64339412 is about 400.7058619977.

The spelling of 64339412 in words is "sixty-four million, three hundred thirty-nine thousand, four hundred twelve".