213882840 has 48 divisors (see below), whose sum is σ = 695120400. Its totient is φ = 57035328.

The previous prime is 213882839. The next prime is 213882871. The reversal of 213882840 is 48288312.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 213882795 and 213882804.

It is a congruent number.

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, 296700 + ... + 297419.

It is an arithmetic number, because the mean of its divisors is an integer number (14481675).

Almost surely, 2^213882840 is an apocalyptic number.

213882840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213882840 is an abundant number, since it is smaller than the sum of its proper divisors (481237560).

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

213882840 is a wasteful number, since it uses less digits than its factorization.

213882840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594136 (or 594129 counting only the distinct ones).

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

The square root of 213882840 is about 14624.7338437320. The cubic root of 213882840 is about 598.0332267157.

The spelling of 213882840 in words is "two hundred thirteen million, eight hundred eighty-two thousand, eight hundred forty".