210804450 has 24 divisors (see below), whose sum is σ = 522795408. Its totient is φ = 56214480.

The previous prime is 210804439. The next prime is 210804457. The reversal of 210804450 is 54408012.

It is a super-2 number, since 2×210804450² = 88877032279605000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210804450.

It is not an unprimeable number, because it can be changed into a prime (210804457) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 702532 + ... + 702831.

It is an arithmetic number, because the mean of its divisors is an integer number (21783142).

Almost surely, 2^210804450 is an apocalyptic number.

210804450 is an abundant number, since it is smaller than the sum of its proper divisors (311990958).

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

210804450 is a wasteful number, since it uses less digits than its factorization.

210804450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405378 (or 1405373 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 210804450 is about 14519.1063774600. The cubic root of 210804450 is about 595.1502104101.

The spelling of 210804450 in words is "two hundred ten million, eight hundred four thousand, four hundred fifty".