38696144 has 10 divisors (see below), whose sum is σ = 74973810. Its totient is φ = 19348064.

The previous prime is 38696137. The next prime is 38696209. The reversal of 38696144 is 44169683.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 7744 = 6220^2 + 88^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209239 + ... + 1209270.

It is an arithmetic number, because the mean of its divisors is an integer number (7497381).

Almost surely, 2^38696144 is an apocalyptic number.

It is an amenable number.

38696144 is a deficient number, since it is larger than the sum of its proper divisors (36277666).

38696144 is a wasteful number, since it uses less digits than its factorization.

38696144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418517 (or 2418511 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 38696144 is about 6220.6224768909. The cubic root of 38696144 is about 338.2381291712.

The spelling of 38696144 in words is "thirty-eight million, six hundred ninety-six thousand, one hundred forty-four".