38772387 has 6 divisors (see below), whose sum is σ = 56004572. Its totient is φ = 25848252.

The previous prime is 38772379. The next prime is 38772401. The reversal of 38772387 is 78327783.

It is not a de Polignac number, because 38772387 - 2³ = 38772379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38772317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2154013 + ... + 2154030.

Almost surely, 2^38772387 is an apocalyptic number.

38772387 is a deficient number, since it is larger than the sum of its proper divisors (17232185).

38772387 is a wasteful number, since it uses less digits than its factorization.

38772387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308049 (or 4308046 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 38772387 is about 6226.7477064676. The cubic root of 38772387 is about 338.4601269265.

The spelling of 38772387 in words is "thirty-eight million, seven hundred seventy-two thousand, three hundred eighty-seven".