214988990 has 32 divisors (see below), whose sum is σ = 408114720. Its totient is φ = 81316224.

The previous prime is 214988959. The next prime is 214989011. The reversal of 214988990 is 99889412.

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 in 15 ways as a sum of consecutive naturals, for example, 191912 + ... + 193028.

It is an arithmetic number, because the mean of its divisors is an integer number (12753585).

Almost surely, 2^214988990 is an apocalyptic number.

214988990 is a deficient number, since it is larger than the sum of its proper divisors (193125730).

214988990 is a wasteful number, since it uses less digits than its factorization.

214988990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 214988990 is about 14662.5028559247. The cubic root of 214988990 is about 599.0624152843.

The spelling of 214988990 in words is "two hundred fourteen million, nine hundred eighty-eight thousand, nine hundred ninety".