214400252 has 12 divisors (see below), whose sum is σ = 409309656. Its totient is φ = 97454640.

The previous prime is 214400239. The next prime is 214400261. The reversal of 214400252 is 252004412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436323 + ... + 2436410.

It is an arithmetic number, because the mean of its divisors is an integer number (34109138).

Almost surely, 2^214400252 is an apocalyptic number.

214400252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

214400252 is a deficient number, since it is larger than the sum of its proper divisors (194909404).

214400252 is a wasteful number, since it uses less digits than its factorization.

214400252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872748 (or 4872746 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 214400252 is about 14642.4127793202. The cubic root of 214400252 is about 598.5150799041.

Adding to 214400252 its reverse (252004412), we get a palindrome (466404664).

The spelling of 214400252 in words is "two hundred fourteen million, four hundred thousand, two hundred fifty-two".