214182864 has 240 divisors, whose sum is σ = 752094720. Its totient is φ = 55480320.

The previous prime is 214182851. The next prime is 214182889. The reversal of 214182864 is 468281412.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496729 + ... + 497159.

It is an arithmetic number, because the mean of its divisors is an integer number (3133728).

Almost surely, 2^214182864 is an apocalyptic number.

214182864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214182864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376047360).

214182864 is an abundant number, since it is smaller than the sum of its proper divisors (537911856).

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

214182864 is a wasteful number, since it uses less digits than its factorization.

214182864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 489 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 214182864 is about 14634.9876665476. The cubic root of 214182864 is about 598.3127262934.

The spelling of 214182864 in words is "two hundred fourteen million, one hundred eighty-two thousand, eight hundred sixty-four".