214650864 has 40 divisors (see below), whose sum is σ = 616128720. Its totient is φ = 71550144.

The previous prime is 214650859. The next prime is 214650907. The reversal of 214650864 is 468056412.

214650864 is a `hidden beast` number, since 2 + 146 + 508 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248007 + ... + 248870.

It is an arithmetic number, because the mean of its divisors is an integer number (15403218).

Almost surely, 2^214650864 is an apocalyptic number.

214650864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

214650864 is an abundant number, since it is smaller than the sum of its proper divisors (401477856).

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

214650864 is a wasteful number, since it uses less digits than its factorization.

214650864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496894 (or 496882 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 214650864 is about 14650.9680226257. The cubic root of 214650864 is about 598.7481901030.

The spelling of 214650864 in words is "two hundred fourteen million, six hundred fifty thousand, eight hundred sixty-four".