38858404 has 12 divisors (see below), whose sum is σ = 73233244. Its totient is φ = 17934624.

The previous prime is 38858383. The next prime is 38858453. The reversal of 38858404 is 40485883.

It can be written as a sum of positive squares in 2 ways, for example, as 13838400 + 25020004 = 3720^2 + 5002^2 .

It is a super-2 number, since 2×38858404² = 3019951122854432, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373587 + ... + 373690.

Almost surely, 2^38858404 is an apocalyptic number.

It is an amenable number.

38858404 is a deficient number, since it is larger than the sum of its proper divisors (34374840).

38858404 is a wasteful number, since it uses less digits than its factorization.

38858404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747294 (or 747292 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 38858404 is about 6233.6509366502. The cubic root of 38858404 is about 338.7102346626.

The spelling of 38858404 in words is "thirty-eight million, eight hundred fifty-eight thousand, four hundred four".