64408 has 16 divisors (see below), whose sum is σ = 123480. Its totient is φ = 31488.

The previous prime is 64403. The next prime is 64433. The reversal of 64408 is 80446.

It is a nialpdrome in base 11 and base 16.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616 + ... + 712.

2⁶⁴⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

64408 is a deficient number, since it is larger than the sum of its proper divisors (59072).

64408 is a wasteful number, since it uses less digits than its factorization.

64408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 64408 is about 253.7873125276. The cubic root of 64408 is about 40.0848200120.

The spelling of 64408 in words is "sixty-four thousand, four hundred eight".