213480832 has 96 divisors (see below), whose sum is σ = 469710000. Its totient is φ = 96509952.

The previous prime is 213480811. The next prime is 213480847. The reversal of 213480832 is 238084312.

It is a junction number, because it is equal to n+sod(n) for n = 213480794 and 213480803.

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 11 ways as a sum of consecutive naturals, for example, 1072669 + ... + 1072867.

Almost surely, 2^213480832 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 213480832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234855000).

213480832 is an abundant number, since it is smaller than the sum of its proper divisors (256229168).

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

213480832 is a wasteful number, since it uses less digits than its factorization.

213480832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 213480832 is about 14610.9832660229. The cubic root of 213480832 is about 597.6583097378.

The spelling of 213480832 in words is "two hundred thirteen million, four hundred eighty thousand, eight hundred thirty-two".