214907986 has 8 divisors (see below), whose sum is σ = 322429824. Its totient is φ = 107431380.

The previous prime is 214907981. The next prime is 214908041. The reversal of 214907986 is 689709412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (214907981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671 + ... + 21493.

It is an arithmetic number, because the mean of its divisors is an integer number (40303728).

Almost surely, 2^214907986 is an apocalyptic number.

214907986 is a deficient number, since it is larger than the sum of its proper divisors (107521838).

214907986 is a wasteful number, since it uses less digits than its factorization.

214907986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22616.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 214907986 is about 14659.7403114789. The cubic root of 214907986 is about 598.9871671707.

The spelling of 214907986 in words is "two hundred fourteen million, nine hundred seven thousand, nine hundred eighty-six".