38998100 has 18 divisors (see below), whose sum is σ = 84626094. Its totient is φ = 15599200.

The previous prime is 38998081. The next prime is 38998123. The reversal of 38998100 is 189983.

It can be written as a sum of positive squares in 3 ways, for example, as 1592644 + 37405456 = 1262^2 + 6116^2 .

It is a super-2 number, since 2×38998100² = 3041703607220000, which contains 22 as substring.

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, 194891 + ... + 195090.

Almost surely, 2^38998100 is an apocalyptic number.

It is an amenable number.

38998100 is an abundant number, since it is smaller than the sum of its proper divisors (45627994).

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

38998100 is a wasteful number, since it uses less digits than its factorization.

38998100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389995 (or 389988 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 38998100 is about 6244.8458747995. The cubic root of 38998100 is about 339.1156371165.

It can be divided in two parts, 389 and 98100, that added together give a palindrome (98489).

The spelling of 38998100 in words is "thirty-eight million, nine hundred ninety-eight thousand, one hundred".