210198464 has 28 divisors (see below), whose sum is σ = 476701104. Its totient is φ = 90084864.

The previous prime is 210198451. The next prime is 210198479. The reversal of 210198464 is 464891012.

It is a happy number.

210198464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234149 + ... + 235044.

Almost surely, 2^210198464 is an apocalyptic number.

It is an amenable number.

210198464 is an abundant number, since it is smaller than the sum of its proper divisors (266502640).

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

210198464 is an equidigital number, since it uses as much as digits as its factorization.

210198464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469212 (or 469202 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 210198464 is about 14498.2227876385. Note that the first 3 decimals coincide. The cubic root of 210198464 is about 594.5793830706.

The spelling of 210198464 in words is "two hundred ten million, one hundred ninety-eight thousand, four hundred sixty-four".