213887846 has 16 divisors (see below), whose sum is σ = 343801584. Its totient is φ = 99439104.

The previous prime is 213887831. The next prime is 213887873. The reversal of 213887846 is 648788312.

It is a self number, because there is not a number n which added to its sum of digits gives 213887846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35075 + ... + 40718.

It is an arithmetic number, because the mean of its divisors is an integer number (21487599).

Almost surely, 2^213887846 is an apocalyptic number.

213887846 is a deficient number, since it is larger than the sum of its proper divisors (129913738).

213887846 is a wasteful number, since it uses less digits than its factorization.

213887846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75895.

The product of its digits is 516096, while the sum is 47.

The square root of 213887846 is about 14624.9049911444. The cubic root of 213887846 is about 598.0378924025.

The spelling of 213887846 in words is "two hundred thirteen million, eight hundred eighty-seven thousand, eight hundred forty-six".