213496280 has 16 divisors (see below), whose sum is σ = 480366720. Its totient is φ = 85398496.

The previous prime is 213496249. The next prime is 213496291. The reversal of 213496280 is 82694312.

It is a self number, because there is not a number n which added to its sum of digits gives 213496280.

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, 2668664 + ... + 2668743.

It is an arithmetic number, because the mean of its divisors is an integer number (30022920).

Almost surely, 2^213496280 is an apocalyptic number.

213496280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213496280 is an abundant number, since it is smaller than the sum of its proper divisors (266870440).

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

213496280 is a wasteful number, since it uses less digits than its factorization.

213496280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337418 (or 5337414 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 213496280 is about 14611.5118998685. The cubic root of 213496280 is about 597.6727254003.

The spelling of 213496280 in words is "two hundred thirteen million, four hundred ninety-six thousand, two hundred eighty".