213049982 has 8 divisors (see below), whose sum is σ = 319637136. Its totient is φ = 106504272.

The previous prime is 213049951. The next prime is 213049999. The reversal of 213049982 is 289940312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13298 + ... + 24554.

It is an arithmetic number, because the mean of its divisors is an integer number (39954642).

Almost surely, 2^213049982 is an apocalyptic number.

213049982 is a deficient number, since it is larger than the sum of its proper divisors (106587154).

213049982 is a wasteful number, since it uses less digits than its factorization.

213049982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20722.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 213049982 is about 14596.2317739888. The cubic root of 213049982 is about 597.2559714957.

The spelling of 213049982 in words is "two hundred thirteen million, forty-nine thousand, nine hundred eighty-two".