214964388 has 96 divisors (see below), whose sum is σ = 594155520. Its totient is φ = 66977280.

The previous prime is 214964383. The next prime is 214964389. The reversal of 214964388 is 883469412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (214964381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350370 + ... + 350982.

It is an arithmetic number, because the mean of its divisors is an integer number (6189120).

Almost surely, 2^214964388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214964388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297077760).

214964388 is an abundant number, since it is smaller than the sum of its proper divisors (379191132).

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

214964388 is a wasteful number, since it uses less digits than its factorization.

214964388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 826 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 214964388 is about 14661.6638892044. The cubic root of 214964388 is about 599.0395634230.

The spelling of 214964388 in words is "two hundred fourteen million, nine hundred sixty-four thousand, three hundred eighty-eight".