38998863 has 12 divisors (see below), whose sum is σ = 57104320. Its totient is φ = 25642656.

The previous prime is 38998847. The next prime is 38998889. The reversal of 38998863 is 36889983.

38998863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38998863 - 2⁴ = 38998847 is a prime.

It is a super-2 number, since 2×38998863² = 3041822630585538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38998163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29023 + ... + 30336.

Almost surely, 2^38998863 is an apocalyptic number.

38998863 is a deficient number, since it is larger than the sum of its proper divisors (18105457).

38998863 is a wasteful number, since it uses less digits than its factorization.

38998863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59438 (or 59435 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 38998863 is about 6244.9069648795. The cubic root of 38998863 is about 339.1178487075.

The spelling of 38998863 in words is "thirty-eight million, nine hundred ninety-eight thousand, eight hundred sixty-three".