38649896 has 8 divisors (see below), whose sum is σ = 72468570. Its totient is φ = 19324944.

The previous prime is 38649883. The next prime is 38649899. The reversal of 38649896 is 69894683.

It can be written as a sum of positive squares in only one way, i.e., 38613796 + 36100 = 6214^2 + 190^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38649899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2415611 + ... + 2415626.

Almost surely, 2^38649896 is an apocalyptic number.

It is an amenable number.

38649896 is a deficient number, since it is larger than the sum of its proper divisors (33818674).

38649896 is a wasteful number, since it uses less digits than its factorization.

38649896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831243 (or 4831239 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 38649896 is about 6216.9040526616. The cubic root of 38649896 is about 338.1033261357.

The spelling of 38649896 in words is "thirty-eight million, six hundred forty-nine thousand, eight hundred ninety-six".