38490426 has 36 divisors (see below), whose sum is σ = 90311598. Its totient is φ = 11842272.

The previous prime is 38490421. The next prime is 38490427. The reversal of 38490426 is 62409483.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6579225 + 31911201 = 2565^2 + 5649^2 .

It is a super-2 number, since 2×38490426² = 2963025787322952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38490421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3285 + ... + 9368.

Almost surely, 2^38490426 is an apocalyptic number.

38490426 is an abundant number, since it is smaller than the sum of its proper divisors (51821172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38490426 is a wasteful number, since it uses less digits than its factorization.

38490426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12687 (or 12671 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 38490426 is about 6204.0652801208. The cubic root of 38490426 is about 337.6376788075.

The spelling of 38490426 in words is "thirty-eight million, four hundred ninety thousand, four hundred twenty-six".