213032994 has 16 divisors (see below), whose sum is σ = 426629280. Its totient is φ = 70917120.

The previous prime is 213032993. The next prime is 213033017. The reversal of 213032994 is 499230312.

It is not an unprimeable number, because it can be changed into a prime (213032993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18472 + ... + 27699.

It is an arithmetic number, because the mean of its divisors is an integer number (26664330).

Almost surely, 2^213032994 is an apocalyptic number.

213032994 is an abundant number, since it is smaller than the sum of its proper divisors (213596286).

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

213032994 is a wasteful number, since it uses less digits than its factorization.

213032994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46945.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 213032994 is about 14595.6498313710. The cubic root of 213032994 is about 597.2400965759.

The spelling of 213032994 in words is "two hundred thirteen million, thirty-two thousand, nine hundred ninety-four".