65426396 has 24 divisors (see below), whose sum is σ = 132649440. Its totient is φ = 27654912.

The previous prime is 65426393. The next prime is 65426401. The reversal of 65426396 is 69362456.

65426396 = 71² + 72² + ... + 581².

It is a super-2 number, since 2×65426396² = 8561226587097632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65426393) 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, 13961 + ... + 18048.

It is an arithmetic number, because the mean of its divisors is an integer number (5527060).

Almost surely, 2^65426396 is an apocalyptic number.

It is an amenable number.

65426396 is an abundant number, since it is smaller than the sum of its proper divisors (67223044).

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

65426396 is a wasteful number, since it uses less digits than its factorization.

65426396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32093 (or 32091 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 65426396 is about 8088.6584796244. The cubic root of 65426396 is about 402.9498508079.

The spelling of 65426396 in words is "sixty-five million, four hundred twenty-six thousand, three hundred ninety-six".