38367987 has 16 divisors (see below), whose sum is σ = 60352512. Its totient is φ = 21216960.

The previous prime is 38367983. The next prime is 38367991. The reversal of 38367987 is 78976383.

It is an interprime number because it is at equal distance from previous prime (38367983) and next prime (38367991).

It is not a de Polignac number, because 38367987 - 2² = 38367983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38367983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28818 + ... + 30119.

It is an arithmetic number, because the mean of its divisors is an integer number (3772032).

Almost surely, 2^38367987 is an apocalyptic number.

38367987 is a deficient number, since it is larger than the sum of its proper divisors (21984525).

38367987 is a wasteful number, since it uses less digits than its factorization.

38367987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58978.

The product of its digits is 1524096, while the sum is 51.

The square root of 38367987 is about 6194.1897775254. The cubic root of 38367987 is about 337.2792872434.

The spelling of 38367987 in words is "thirty-eight million, three hundred sixty-seven thousand, nine hundred eighty-seven".