213376446 has 24 divisors (see below), whose sum is σ = 462584304. Its totient is φ = 71084160.

The previous prime is 213376433. The next prime is 213376481. The reversal of 213376446 is 644673312.

It is a happy number.

213376446 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 7 + 644 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 213376446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58735 + ... + 62261.

It is an arithmetic number, because the mean of its divisors is an integer number (19274346).

Almost surely, 2^213376446 is an apocalyptic number.

213376446 is an abundant number, since it is smaller than the sum of its proper divisors (249207858).

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

213376446 is a wasteful number, since it uses less digits than its factorization.

213376446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896 (or 6893 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 213376446 is about 14607.4106535005. The cubic root of 213376446 is about 597.5608812692.

The spelling of 213376446 in words is "two hundred thirteen million, three hundred seventy-six thousand, four hundred forty-six".