214642886 has 16 divisors (see below), whose sum is σ = 339855360. Its totient is φ = 101389320.

The previous prime is 214642871. The next prime is 214642907. The reversal of 214642886 is 688246412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 21641.

It is an arithmetic number, because the mean of its divisors is an integer number (21240960).

Almost surely, 2^214642886 is an apocalyptic number.

214642886 is a deficient number, since it is larger than the sum of its proper divisors (125212474).

214642886 is a wasteful number, since it uses less digits than its factorization.

214642886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15779.

The product of its digits is 147456, while the sum is 41.

The square root of 214642886 is about 14650.6957513969. The cubic root of 214642886 is about 598.7407720534.

The spelling of 214642886 in words is "two hundred fourteen million, six hundred forty-two thousand, eight hundred eighty-six".