215132632 has 64 divisors (see below), whose sum is σ = 476098560. Its totient is φ = 89846400.

The previous prime is 215132629. The next prime is 215132651. The reversal of 215132632 is 236231512.

215132632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 215132597 and 215132606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437907 + ... + 438397.

It is an arithmetic number, because the mean of its divisors is an integer number (7439040).

Almost surely, 2^215132632 is an apocalyptic number.

215132632 is a gapful number since it is divisible by the number (22) 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 215132632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238049280).

215132632 is an abundant number, since it is smaller than the sum of its proper divisors (260965928).

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

215132632 is a wasteful number, since it uses less digits than its factorization.

215132632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 900 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 215132632 is about 14667.4003149842. The cubic root of 215132632 is about 599.1958040779.

The spelling of 215132632 in words is "two hundred fifteen million, one hundred thirty-two thousand, six hundred thirty-two".