213995836 has 12 divisors (see below), whose sum is σ = 377352360. Its totient is φ = 106180880.

The previous prime is 213995833. The next prime is 213995839. The reversal of 213995836 is 638599312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213995833) and next prime (213995839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213995833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203671 + ... + 204718.

It is an arithmetic number, because the mean of its divisors is an integer number (31446030).

Almost surely, 2^213995836 is an apocalyptic number.

It is an amenable number.

213995836 is a deficient number, since it is larger than the sum of its proper divisors (163356524).

213995836 is a wasteful number, since it uses less digits than its factorization.

213995836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408524 (or 408522 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 213995836 is about 14628.5965150455. The cubic root of 213995836 is about 598.1385234065.

The spelling of 213995836 in words is "two hundred thirteen million, nine hundred ninety-five thousand, eight hundred thirty-six".