38630408 has 8 divisors (see below), whose sum is σ = 72432030. Its totient is φ = 19315200.

The previous prime is 38630399. The next prime is 38630413. The reversal of 38630408 is 80403683.

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 1444804 = 6098^2 + 1202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2414393 + ... + 2414408.

Almost surely, 2^38630408 is an apocalyptic number.

It is an amenable number.

38630408 is a deficient number, since it is larger than the sum of its proper divisors (33801622).

38630408 is a wasteful number, since it uses less digits than its factorization.

38630408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828807 (or 4828803 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 38630408 is about 6215.3365154270. The cubic root of 38630408 is about 338.0464905765.

The spelling of 38630408 in words is "thirty-eight million, six hundred thirty thousand, four hundred eight".