213079390 has 8 divisors (see below), whose sum is σ = 383542920. Its totient is φ = 85231752.

The previous prime is 213079381. The next prime is 213079393. The reversal of 213079390 is 93970312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213079393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10653960 + ... + 10653979.

It is an arithmetic number, because the mean of its divisors is an integer number (47942865).

Almost surely, 2^213079390 is an apocalyptic number.

213079390 is a deficient number, since it is larger than the sum of its proper divisors (170463530).

213079390 is a wasteful number, since it uses less digits than its factorization.

213079390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21307946.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 213079390 is about 14597.2391225190. The cubic root of 213079390 is about 597.2834506430.

The spelling of 213079390 in words is "two hundred thirteen million, seventy-nine thousand, three hundred ninety".