38675644 has 12 divisors (see below), whose sum is σ = 77351344. Its totient is φ = 16575264.

The previous prime is 38675639. The next prime is 38675671. The reversal of 38675644 is 44657683.

38675644 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 38675644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690609 + ... + 690664.

Almost surely, 2^38675644 is an apocalyptic number.

It is an amenable number.

38675644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38675644 is a wasteful number, since it uses less digits than its factorization.

38675644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381284 (or 1381282 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 38675644 is about 6218.9745135352. The cubic root of 38675644 is about 338.1783893131.

The spelling of 38675644 in words is "thirty-eight million, six hundred seventy-five thousand, six hundred forty-four".