38316386 has 32 divisors (see below), whose sum is σ = 61650288. Its totient is φ = 17832960.

The previous prime is 38316371. The next prime is 38316389. The reversal of 38316386 is 68361383.

It can be written as a sum of positive squares in 8 ways, for example, as 27300625 + 11015761 = 5225^2 + 3319^2 .

It is a super-2 number, since 2×38316386² = 2936290872201992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38316389) 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, 221396 + ... + 221568.

Almost surely, 2^38316386 is an apocalyptic number.

38316386 is a deficient number, since it is larger than the sum of its proper divisors (23333902).

38316386 is a wasteful number, since it uses less digits than its factorization.

38316386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 62208, while the sum is 38.

The square root of 38316386 is about 6190.0231017340. The cubic root of 38316386 is about 337.1280174143.

The spelling of 38316386 in words is "thirty-eight million, three hundred sixteen thousand, three hundred eighty-six".