38189725 has 12 divisors (see below), whose sum is σ = 54120544. Its totient is φ = 26187120.

The previous prime is 38189717. The next prime is 38189747. The reversal of 38189725 is 52798183.

It is not a de Polignac number, because 38189725 - 2³ = 38189717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108939 + ... + 109288.

Almost surely, 2^38189725 is an apocalyptic number.

38189725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38189725 is a deficient number, since it is larger than the sum of its proper divisors (15930819).

38189725 is a wasteful number, since it uses less digits than its factorization.

38189725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218244 (or 218239 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 38189725 is about 6179.7835722621. The cubic root of 38189725 is about 336.7561303052.

The spelling of 38189725 in words is "thirty-eight million, one hundred eighty-nine thousand, seven hundred twenty-five".