210428892 has 36 divisors (see below), whose sum is σ = 544894896. Its totient is φ = 68431680.

The previous prime is 210428891. The next prime is 210428893. The reversal of 210428892 is 298824012.

It is an interprime number because it is at equal distance from previous prime (210428891) and next prime (210428893).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210428891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69808 + ... + 72759.

Almost surely, 2^210428892 is an apocalyptic number.

It is an amenable number.

210428892 is an abundant number, since it is smaller than the sum of its proper divisors (334466004).

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

210428892 is a wasteful number, since it uses less digits than its factorization.

210428892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142618 (or 142613 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 210428892 is about 14506.1673780499. The cubic root of 210428892 is about 594.7965709946.

The spelling of 210428892 in words is "two hundred ten million, four hundred twenty-eight thousand, eight hundred ninety-two".