210042304 has 14 divisors (see below), whose sum is σ = 416802824. Its totient is φ = 105021120.

The previous prime is 210042281. The next prime is 210042341. The reversal of 210042304 is 403240012.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 as a sum of consecutive naturals, namely, 1640892 + ... + 1641019.

Almost surely, 2^210042304 is an apocalyptic number.

It is an amenable number.

210042304 is a deficient number, since it is larger than the sum of its proper divisors (206760520).

210042304 is an equidigital number, since it uses as much as digits as its factorization.

210042304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281923 (or 3281913 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 210042304 is about 14492.8362993584. The cubic root of 210042304 is about 594.4321055607.

Adding to 210042304 its reverse (403240012), we get a palindrome (613282316).

The spelling of 210042304 in words is "two hundred ten million, forty-two thousand, three hundred four".