214369986 has 16 divisors (see below), whose sum is σ = 432903744. Its totient is φ = 70762704.

The previous prime is 214369979. The next prime is 214369997. The reversal of 214369986 is 689963412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172821 + ... + 174056.

It is an arithmetic number, because the mean of its divisors is an integer number (27056484).

Almost surely, 2^214369986 is an apocalyptic number.

214369986 is an abundant number, since it is smaller than the sum of its proper divisors (218533758).

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

214369986 is a wasteful number, since it uses less digits than its factorization.

214369986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346985.

The product of its digits is 559872, while the sum is 48.

The square root of 214369986 is about 14641.3792383095. The cubic root of 214369986 is about 598.4869152763.

The spelling of 214369986 in words is "two hundred fourteen million, three hundred sixty-nine thousand, nine hundred eighty-six".