214051992 has 96 divisors (see below), whose sum is σ = 679129920. Its totient is φ = 55594560.

The previous prime is 214051991. The next prime is 214051997. The reversal of 214051992 is 299150412.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214051991) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4663 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (7074270).

Almost surely, 2^214051992 is an apocalyptic number.

214051992 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 214051992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339564960).

214051992 is an abundant number, since it is smaller than the sum of its proper divisors (465077928).

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

214051992 is a wasteful number, since it uses less digits than its factorization.

214051992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581 (or 16570 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 214051992 is about 14630.5157803818. The cubic root of 214051992 is about 598.1908392675.

The spelling of 214051992 in words is "two hundred fourteen million, fifty-one thousand, nine hundred ninety-two".