210968280 has 64 divisors (see below), whose sum is σ = 703231200. Its totient is φ = 56257920.

The previous prime is 210968269. The next prime is 210968309. The reversal of 210968280 is 82869012.

210968280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96591 + ... + 98750.

Almost surely, 2^210968280 is an apocalyptic number.

210968280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210968280 is an abundant number, since it is smaller than the sum of its proper divisors (492262920).

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

210968280 is a wasteful number, since it uses less digits than its factorization.

210968280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195361 (or 195351 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 210968280 is about 14524.7471578682. The cubic root of 210968280 is about 595.3043472750.

The spelling of 210968280 in words is "two hundred ten million, nine hundred sixty-eight thousand, two hundred eighty".