214904644 has 12 divisors (see below), whose sum is σ = 381696784. Its totient is φ = 105848424.

The previous prime is 214904623. The next prime is 214904653. The reversal of 214904644 is 446409412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400674 + ... + 401209.

Almost surely, 2^214904644 is an apocalyptic number.

It is an amenable number.

214904644 is a deficient number, since it is larger than the sum of its proper divisors (166792140).

214904644 is a wasteful number, since it uses less digits than its factorization.

214904644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801954 (or 801952 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 214904644 is about 14659.6263253877. The cubic root of 214904644 is about 598.9840622365.

The spelling of 214904644 in words is "two hundred fourteen million, nine hundred four thousand, six hundred forty-four".