214457892 has 24 divisors (see below), whose sum is σ = 545893152. Its totient is φ = 64987200.

The previous prime is 214457891. The next prime is 214457909. The reversal of 214457892 is 298754412.

It is not an unprimeable number, because it can be changed into a prime (214457891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812209 + ... + 812472.

It is an arithmetic number, because the mean of its divisors is an integer number (22745548).

Almost surely, 2^214457892 is an apocalyptic number.

214457892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

214457892 is an abundant number, since it is smaller than the sum of its proper divisors (331435260).

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

214457892 is a wasteful number, since it uses less digits than its factorization.

214457892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624699 (or 1624697 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 214457892 is about 14644.3809019023. The cubic root of 214457892 is about 598.5687106217.

The spelling of 214457892 in words is "two hundred fourteen million, four hundred fifty-seven thousand, eight hundred ninety-two".