38995887 has 8 divisors (see below), whose sum is σ = 59422336. Its totient is φ = 22283352.

The previous prime is 38995871. The next prime is 38995889. The reversal of 38995887 is 78859983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38995887 - 2⁴ = 38995871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38995889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928453 + ... + 928494.

It is an arithmetic number, because the mean of its divisors is an integer number (7427792).

Almost surely, 2^38995887 is an apocalyptic number.

38995887 is a deficient number, since it is larger than the sum of its proper divisors (20426449).

38995887 is a wasteful number, since it uses less digits than its factorization.

38995887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856957.

The product of its digits is 4354560, while the sum is 57.

The square root of 38995887 is about 6244.6686861674. The cubic root of 38995887 is about 339.1092224698.

The spelling of 38995887 in words is "thirty-eight million, nine hundred ninety-five thousand, eight hundred eighty-seven".