214425684 has 96 divisors (see below), whose sum is σ = 610176000. Its totient is φ = 64579680.

The previous prime is 214425683. The next prime is 214425713. The reversal of 214425684 is 486524412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214425683) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 235959 + ... + 236865.

It is an arithmetic number, because the mean of its divisors is an integer number (6356000).

Almost surely, 2^214425684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214425684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305088000).

214425684 is an abundant number, since it is smaller than the sum of its proper divisors (395750316).

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

214425684 is a wasteful number, since it uses less digits than its factorization.

214425684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1122 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 214425684 is about 14643.2811896788. The cubic root of 214425684 is about 598.5387441077.

The spelling of 214425684 in words is "two hundred fourteen million, four hundred twenty-five thousand, six hundred eighty-four".