215082432 has 112 divisors (see below), whose sum is σ = 665683200. Its totient is φ = 67910400.

The previous prime is 215082409. The next prime is 215082449. The reversal of 215082432 is 234280512.

215082432 is a `hidden beast` number, since 2 + 150 + 82 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 215082396 and 215082405.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 29557 + ... + 36107.

It is an arithmetic number, because the mean of its divisors is an integer number (5943600).

Almost surely, 2^215082432 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 215082432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332841600).

215082432 is an abundant number, since it is smaller than the sum of its proper divisors (450600768).

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

215082432 is a wasteful number, since it uses less digits than its factorization.

215082432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6575 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 215082432 is about 14665.6889371076. The cubic root of 215082432 is about 599.1491941192.

The spelling of 215082432 in words is "two hundred fifteen million, eighty-two thousand, four hundred thirty-two".