214389994 has 24 divisors (see below), whose sum is σ = 402867108. Its totient is φ = 84813120.

The previous prime is 214389979. The next prime is 214390013. The reversal of 214389994 is 499983412.

It can be written as a sum of positive squares in 2 ways, for example, as 214241769 + 148225 = 14637^2 + 385^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82867 + ... + 85414.

Almost surely, 2^214389994 is an apocalyptic number.

214389994 is a deficient number, since it is larger than the sum of its proper divisors (188477114).

214389994 is a wasteful number, since it uses less digits than its factorization.

214389994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168310 (or 168303 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 214389994 is about 14642.0624913296. The cubic root of 214389994 is about 598.5055344153.

The spelling of 214389994 in words is "two hundred fourteen million, three hundred eighty-nine thousand, nine hundred ninety-four".