214256388 has 36 divisors (see below), whose sum is σ = 527639280. Its totient is φ = 67658544.

The previous prime is 214256359. The next prime is 214256443. The reversal of 214256388 is 883652412.

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 11 ways as a sum of consecutive naturals, for example, 20398 + ... + 29061.

Almost surely, 2^214256388 is an apocalyptic number.

It is an amenable number.

214256388 is an abundant number, since it is smaller than the sum of its proper divisors (313382892).

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

214256388 is a wasteful number, since it uses less digits than its factorization.

214256388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49504 (or 49483 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 214256388 is about 14637.4993766012. The cubic root of 214256388 is about 598.3811807461.

The spelling of 214256388 in words is "two hundred fourteen million, two hundred fifty-six thousand, three hundred eighty-eight".