212906944 has 14 divisors (see below), whose sum is σ = 422487344. Its totient is φ = 106453440.

The previous prime is 212906933. The next prime is 212906959. The reversal of 212906944 is 449609212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1663272 + ... + 1663399.

Almost surely, 2^212906944 is an apocalyptic number.

It is an amenable number.

212906944 is a deficient number, since it is larger than the sum of its proper divisors (209580400).

212906944 is an equidigital number, since it uses as much as digits as its factorization.

212906944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326683 (or 3326673 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 212906944 is about 14591.3311250208. The cubic root of 212906944 is about 597.1222791968.

The spelling of 212906944 in words is "two hundred twelve million, nine hundred six thousand, nine hundred forty-four".