38657398 has 12 divisors (see below), whose sum is σ = 62790228. Its totient is φ = 17841720.

The previous prime is 38657389. The next prime is 38657407. The reversal of 38657398 is 89375683.

It is an interprime number because it is at equal distance from previous prime (38657389) and next prime (38657407).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56848 + ... + 57523.

It is an arithmetic number, because the mean of its divisors is an integer number (5232519).

Almost surely, 2^38657398 is an apocalyptic number.

38657398 is a deficient number, since it is larger than the sum of its proper divisors (24132830).

38657398 is a wasteful number, since it uses less digits than its factorization.

38657398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114399 (or 114386 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 38657398 is about 6217.5073783631. The cubic root of 38657398 is about 338.1252001666.

The spelling of 38657398 in words is "thirty-eight million, six hundred fifty-seven thousand, three hundred ninety-eight".