64323396 has 30 divisors (see below), whose sum is σ = 168154910. Its totient is φ = 21441024.

The previous prime is 64323361. The next prime is 64323403. The reversal of 64323396 is 69332346.

64323396 is a `hidden beast` number, since 643 + 2 + 3 + 3 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57972996 + 6350400 = 7614^2 + 2520^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 64323396.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 98941 + ... + 99588.

Almost surely, 2^64323396 is an apocalyptic number.

It is an amenable number.

64323396 is an abundant number, since it is smaller than the sum of its proper divisors (103831514).

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

64323396 is a wasteful number, since it uses less digits than its factorization.

64323396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198545 (or 198534 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 64323396 is about 8020.1867808674. The cubic root of 64323396 is about 400.6726100221.

The spelling of 64323396 in words is "sixty-four million, three hundred twenty-three thousand, three hundred ninety-six".