38725684 has 6 divisors (see below), whose sum is σ = 67769954. Its totient is φ = 19362840.

The previous prime is 38725651. The next prime is 38725691. The reversal of 38725684 is 48652783.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 2965284 = 5980^2 + 1722^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38725684.

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, 4840707 + ... + 4840714.

Almost surely, 2^38725684 is an apocalyptic number.

It is an amenable number.

38725684 is a deficient number, since it is larger than the sum of its proper divisors (29044270).

38725684 is a wasteful number, since it uses less digits than its factorization.

38725684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681425 (or 9681423 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 38725684 is about 6222.9963843795. The cubic root of 38725684 is about 338.3241757547.

The spelling of 38725684 in words is "thirty-eight million, seven hundred twenty-five thousand, six hundred eighty-four".