213360940 has 24 divisors (see below), whose sum is σ = 482524560. Its totient is φ = 78779328.

The previous prime is 213360929. The next prime is 213360967. The reversal of 213360940 is 49063312.

213360940 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 = 213360899 and 213360908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410050 + ... + 410569.

It is an arithmetic number, because the mean of its divisors is an integer number (20105190).

Almost surely, 2^213360940 is an apocalyptic number.

213360940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213360940 is an abundant number, since it is smaller than the sum of its proper divisors (269163620).

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

213360940 is a wasteful number, since it uses less digits than its factorization.

213360940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820641 (or 820639 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 213360940 is about 14606.8798858620. The cubic root of 213360940 is about 597.5464060640.

The spelling of 213360940 in words is "two hundred thirteen million, three hundred sixty thousand, nine hundred forty".