214757928 has 96 divisors (see below), whose sum is σ = 725175360. Its totient is φ = 55779840.

The previous prime is 214757911. The next prime is 214757941. The reversal of 214757928 is 829757412.

It is a happy number.

It is a super-2 number, since 2×214757928² = 92241935277706368, which contains 22 as substring.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13825 + ... + 24912.

It is an arithmetic number, because the mean of its divisors is an integer number (7553910).

Almost surely, 2^214757928 is an apocalyptic number.

214757928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

214757928 is an abundant number, since it is smaller than the sum of its proper divisors (510417432).

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

214757928 is a wasteful number, since it uses less digits than its factorization.

214757928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38767 (or 38760 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 214757928 is about 14654.6213871256. The cubic root of 214757928 is about 598.8477218417.

It can be divided in two parts, 21475 and 7928, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 214757928 in words is "two hundred fourteen million, seven hundred fifty-seven thousand, nine hundred twenty-eight".