38172366 has 24 divisors (see below), whose sum is σ = 84468384. Its totient is φ = 12453120.

The previous prime is 38172307. The next prime is 38172373. The reversal of 38172366 is 66327183.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38172366.

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, 21715 + ... + 23406.

It is an arithmetic number, because the mean of its divisors is an integer number (3519516).

Almost surely, 2^38172366 is an apocalyptic number.

38172366 is an abundant number, since it is smaller than the sum of its proper divisors (46296018).

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

38172366 is a wasteful number, since it uses less digits than its factorization.

38172366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45176 (or 45173 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 38172366 is about 6178.3789135986. The cubic root of 38172366 is about 336.7050988160.

The spelling of 38172366 in words is "thirty-eight million, one hundred seventy-two thousand, three hundred sixty-six".