214551992 has 64 divisors (see below), whose sum is σ = 431308800. Its totient is φ = 99889920.

The previous prime is 214551959. The next prime is 214552043. The reversal of 214551992 is 299155412.

It is a congruent number.

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, 920708 + ... + 920940.

It is an arithmetic number, because the mean of its divisors is an integer number (6739200).

Almost surely, 2^214551992 is an apocalyptic number.

It is an amenable number.

214551992 is an abundant number, since it is smaller than the sum of its proper divisors (216756808).

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

214551992 is a wasteful number, since it uses less digits than its factorization.

214551992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 214551992 is about 14647.5933859457. The cubic root of 214551992 is about 598.6562446344.

The spelling of 214551992 in words is "two hundred fourteen million, five hundred fifty-one thousand, nine hundred ninety-two".