213187632 has 60 divisors (see below), whose sum is σ = 640657656. Its totient is φ = 60910080.

The previous prime is 213187609. The next prime is 213187717. The reversal of 213187632 is 236781312.

213187632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 213187593 and 213187602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42969 + ... + 47672.

Almost surely, 2^213187632 is an apocalyptic number.

It is an amenable number.

213187632 is an abundant number, since it is smaller than the sum of its proper divisors (427470024).

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

213187632 is a wasteful number, since it uses less digits than its factorization.

213187632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90666 (or 90653 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 213187632 is about 14600.9462707045. The cubic root of 213187632 is about 597.3845713426.

The spelling of 213187632 in words is "two hundred thirteen million, one hundred eighty-seven thousand, six hundred thirty-two".