213297760 has 48 divisors (see below), whose sum is σ = 542684016. Its totient is φ = 78755328.

The previous prime is 213297731. The next prime is 213297787. The reversal of 213297760 is 67792312.

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 in 7 ways as a sum of consecutive naturals, for example, 49194 + ... + 53353.

It is an arithmetic number, because the mean of its divisors is an integer number (11305917).

Almost surely, 2^213297760 is an apocalyptic number.

213297760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213297760 is an abundant number, since it is smaller than the sum of its proper divisors (329386256).

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

213297760 is a wasteful number, since it uses less digits than its factorization.

213297760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102575 (or 102567 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 213297760 is about 14604.7170462149. The cubic root of 213297760 is about 597.4874188396.

The spelling of 213297760 in words is "two hundred thirteen million, two hundred ninety-seven thousand, seven hundred sixty".