65628396 has 18 divisors (see below), whose sum is σ = 165894092. Its totient is φ = 21876120.

The previous prime is 65628379. The next prime is 65628401. The reversal of 65628396 is 69382656.

It is a happy number.

65628396 is a `hidden beast` number, since 6 + 562 + 83 + 9 + 6 = 666.

65628396 is nontrivially palindromic in base 14.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 911470 + ... + 911541.

Almost surely, 2^65628396 is an apocalyptic number.

It is an amenable number.

65628396 is an abundant number, since it is smaller than the sum of its proper divisors (100265696).

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

65628396 is a wasteful number, since it uses less digits than its factorization.

65628396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823021 (or 1823016 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 65628396 is about 8101.1354759688. The cubic root of 65628396 is about 403.3641191051.

The spelling of 65628396 in words is "sixty-five million, six hundred twenty-eight thousand, three hundred ninety-six".