38282818 has 24 divisors (see below), whose sum is σ = 67410252. Its totient is φ = 16257024.

The previous prime is 38282789. The next prime is 38282819. The reversal of 38282818 is 81828283.

It can be written as a sum of positive squares in 2 ways, for example, as 23941449 + 14341369 = 4893^2 + 3787^2 .

It is a super-2 number, since 2×38282818² = 2931148308042248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38282819) 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, 9346 + ... + 12802.

Almost surely, 2^38282818 is an apocalyptic number.

38282818 is a deficient number, since it is larger than the sum of its proper divisors (29127434).

38282818 is a wasteful number, since it uses less digits than its factorization.

38282818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3579 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 38282818 is about 6187.3110476200. The cubic root of 38282818 is about 337.0295389230.

The spelling of 38282818 in words is "thirty-eight million, two hundred eighty-two thousand, eight hundred eighteen".