213407982 has 12 divisors (see below), whose sum is σ = 462384000. Its totient is φ = 71135988.

The previous prime is 213407977. The next prime is 213407989. The reversal of 213407982 is 289704312.

213407982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213407989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5927982 + ... + 5928017.

It is an arithmetic number, because the mean of its divisors is an integer number (38532000).

Almost surely, 2^213407982 is an apocalyptic number.

213407982 is an abundant number, since it is smaller than the sum of its proper divisors (248976018).

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

213407982 is a wasteful number, since it uses less digits than its factorization.

213407982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11856007 (or 11856004 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 213407982 is about 14608.4900657118. The cubic root of 213407982 is about 597.5903186821.

The spelling of 213407982 in words is "two hundred thirteen million, four hundred seven thousand, nine hundred eighty-two".