213099392 has 48 divisors (see below), whose sum is σ = 466670400. Its totient is φ = 96856320.

The previous prime is 213099389. The next prime is 213099407. The reversal of 213099392 is 293990312.

It is a super-2 number, since 2×213099392² = 90822701741539328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8609 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (9722300).

Almost surely, 2^213099392 is an apocalyptic number.

213099392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213099392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233335200).

213099392 is an abundant number, since it is smaller than the sum of its proper divisors (253571008).

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

213099392 is a wasteful number, since it uses less digits than its factorization.

213099392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13795 (or 13772 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 213099392 is about 14597.9242360001. The cubic root of 213099392 is about 597.3021392795.

The spelling of 213099392 in words is "two hundred thirteen million, ninety-nine thousand, three hundred ninety-two".