64396926 has 36 divisors (see below), whose sum is σ = 153369216. Its totient is φ = 19513560.

The previous prime is 64396921. The next prime is 64396963. The reversal of 64396926 is 62969346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64396921) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12606 + ... + 16961.

It is an arithmetic number, because the mean of its divisors is an integer number (4260256).

Almost surely, 2^64396926 is an apocalyptic number.

64396926 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64396926 is an abundant number, since it is smaller than the sum of its proper divisors (88972290).

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

64396926 is a wasteful number, since it uses less digits than its factorization.

64396926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29597 (or 29583 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 64396926 is about 8024.7695294008. The cubic root of 64396926 is about 400.8252255031.

The spelling of 64396926 in words is "sixty-four million, three hundred ninety-six thousand, nine hundred twenty-six".