38745387 has 12 divisors (see below), whose sum is σ = 56057040. Its totient is φ = 25788048.

The previous prime is 38745383. The next prime is 38745391. The reversal of 38745387 is 78354783.

It is an interprime number because it is at equal distance from previous prime (38745383) and next prime (38745391).

It is not a de Polignac number, because 38745387 - 2² = 38745383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38745383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2914 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (4671420).

Almost surely, 2^38745387 is an apocalyptic number.

38745387 is a deficient number, since it is larger than the sum of its proper divisors (17311653).

38745387 is a wasteful number, since it uses less digits than its factorization.

38745387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042 (or 7039 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 38745387 is about 6224.5792628900. The cubic root of 38745387 is about 338.3815439778.

It can be divided in two parts, 3874 and 5387, that added together give a cube (9261 = 21³).

The spelling of 38745387 in words is "thirty-eight million, seven hundred forty-five thousand, three hundred eighty-seven".