214457992 has 64 divisors (see below), whose sum is σ = 497041920. Its totient is φ = 84645888.

The previous prime is 214457983. The next prime is 214458007. The reversal of 214457992 is 299754412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42348 + ... + 47140.

It is an arithmetic number, because the mean of its divisors is an integer number (7766280).

Almost surely, 2^214457992 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 214457992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248520960).

214457992 is an abundant number, since it is smaller than the sum of its proper divisors (282583928).

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

214457992 is a wasteful number, since it uses less digits than its factorization.

214457992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870 (or 4866 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 214457992 is about 14644.3843161807. The cubic root of 214457992 is about 598.5688036576.

The spelling of 214457992 in words is "two hundred fourteen million, four hundred fifty-seven thousand, nine hundred ninety-two".