206634460 has 12 divisors (see below), whose sum is σ = 433932408. Its totient is φ = 82653776.

The previous prime is 206634433. The next prime is 206634503. The reversal of 206634460 is 64436602.

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, 5165842 + ... + 5165881.

It is an arithmetic number, because the mean of its divisors is an integer number (36161034).

Almost surely, 2^206634460 is an apocalyptic number.

206634460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206634460 is an abundant number, since it is smaller than the sum of its proper divisors (227297948).

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

206634460 is a wasteful number, since it uses less digits than its factorization.

206634460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331732 (or 10331730 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 206634460 is about 14374.7855636180. The cubic root of 206634460 is about 591.1997610724.

The spelling of 206634460 in words is "two hundred six million, six hundred thirty-four thousand, four hundred sixty".