210900038 has 16 divisors (see below), whose sum is σ = 339286320. Its totient is φ = 98014176.

The previous prime is 210900013. The next prime is 210900071. The reversal of 210900038 is 830009012.

It is a junction number, because it is equal to n+sod(n) for n = 210899986 and 210900022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50345 + ... + 54372.

It is an arithmetic number, because the mean of its divisors is an integer number (21205395).

Almost surely, 2^210900038 is an apocalyptic number.

210900038 is a deficient number, since it is larger than the sum of its proper divisors (128386282).

210900038 is a wasteful number, since it uses less digits than its factorization.

210900038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104791.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 210900038 is about 14522.3978047704. The cubic root of 210900038 is about 595.2401525687.

The spelling of 210900038 in words is "two hundred ten million, nine hundred thousand, thirty-eight".