213498732 has 24 divisors (see below), whose sum is σ = 511628656. Its totient is φ = 69242688.

The previous prime is 213498713. The next prime is 213498739. The reversal of 213498732 is 237894312.

It is not an unprimeable number, because it can be changed into a prime (213498739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239983 + ... + 240870.

Almost surely, 2^213498732 is an apocalyptic number.

It is an amenable number.

213498732 is an abundant number, since it is smaller than the sum of its proper divisors (298129924).

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

213498732 is a wasteful number, since it uses less digits than its factorization.

213498732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480897 (or 480895 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 213498732 is about 14611.5958060713. The cubic root of 213498732 is about 597.6750134775.

The spelling of 213498732 in words is "two hundred thirteen million, four hundred ninety-eight thousand, seven hundred thirty-two".