214989734 has 16 divisors (see below), whose sum is σ = 328196016. Its totient is φ = 105600000.

The previous prime is 214989713. The next prime is 214989739. The reversal of 214989734 is 437989412.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214989739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51734 + ... + 55734.

It is an arithmetic number, because the mean of its divisors is an integer number (20512251).

Almost surely, 2^214989734 is an apocalyptic number.

214989734 is a deficient number, since it is larger than the sum of its proper divisors (113206282).

214989734 is a wasteful number, since it uses less digits than its factorization.

214989734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its digits is 435456, while the sum is 47.

The square root of 214989734 is about 14662.5282267418. The cubic root of 214989734 is about 599.0631063304.

The spelling of 214989734 in words is "two hundred fourteen million, nine hundred eighty-nine thousand, seven hundred thirty-four".