210200994 has 20 divisors (see below), whose sum is σ = 471006294. Its totient is φ = 70066944.

The previous prime is 210200989. The next prime is 210201023. The reversal of 210200994 is 499002012.

It can be written as a sum of positive squares in only one way, i.e., 180552969 + 29648025 = 13437^2 + 5445^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 648607 + ... + 648930.

Almost surely, 2^210200994 is an apocalyptic number.

210200994 is an abundant number, since it is smaller than the sum of its proper divisors (260805300).

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

210200994 is a wasteful number, since it uses less digits than its factorization.

210200994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297551 (or 1297542 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 210200994 is about 14498.3100394494. The cubic root of 210200994 is about 594.5817685619.

The spelling of 210200994 in words is "two hundred ten million, two hundred thousand, nine hundred ninety-four".