38138896 has 10 divisors (see below), whose sum is σ = 73894142. Its totient is φ = 19069440.

The previous prime is 38138869. The next prime is 38138927. The reversal of 38138896 is 69883183.

It can be written as a sum of positive squares in only one way, i.e., 21492496 + 16646400 = 4636^2 + 4080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1191825 + ... + 1191856.

Almost surely, 2^38138896 is an apocalyptic number.

It is an amenable number.

38138896 is a deficient number, since it is larger than the sum of its proper divisors (35755246).

38138896 is a wasteful number, since it uses less digits than its factorization.

38138896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383689 (or 2383683 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 38138896 is about 6175.6696802857. The cubic root of 38138896 is about 336.6066609826.

The spelling of 38138896 in words is "thirty-eight million, one hundred thirty-eight thousand, eight hundred ninety-six".