214639392 has 96 divisors (see below), whose sum is σ = 617379840. Its totient is φ = 64753920.

The previous prime is 214639363. The next prime is 214639423. The reversal of 214639392 is 293936412.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 214639392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463353 + ... + 463815.

It is an arithmetic number, because the mean of its divisors is an integer number (6431040).

Almost surely, 2^214639392 is an apocalyptic number.

214639392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214639392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308689920).

214639392 is an abundant number, since it is smaller than the sum of its proper divisors (402740448).

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

214639392 is a wasteful number, since it uses less digits than its factorization.

214639392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 918 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 214639392 is about 14650.5765074280. The cubic root of 214639392 is about 598.7375232283.

The spelling of 214639392 in words is "two hundred fourteen million, six hundred thirty-nine thousand, three hundred ninety-two".