214989446 has 32 divisors (see below), whose sum is σ = 410780160. Its totient is φ = 82152576.

The previous prime is 214989443. The next prime is 214989461. The reversal of 214989446 is 644989412.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 214989446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214989443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19250 + ... + 28293.

It is an arithmetic number, because the mean of its divisors is an integer number (12836880).

Almost surely, 2^214989446 is an apocalyptic number.

214989446 is a deficient number, since it is larger than the sum of its proper divisors (195790714).

214989446 is a wasteful number, since it uses less digits than its factorization.

214989446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47588.

The product of its digits is 497664, while the sum is 47.

The square root of 214989446 is about 14662.5184057855. The cubic root of 214989446 is about 599.0628388289.

The spelling of 214989446 in words is "two hundred fourteen million, nine hundred eighty-nine thousand, four hundred forty-six".