213320386 has 16 divisors (see below), whose sum is σ = 340705440. Its totient is φ = 99822400.

The previous prime is 213320347. The next prime is 213320413. The reversal of 213320386 is 683023312.

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, 11440 + ... + 23611.

It is an arithmetic number, because the mean of its divisors is an integer number (21294090).

Almost surely, 2^213320386 is an apocalyptic number.

213320386 is a deficient number, since it is larger than the sum of its proper divisors (127385054).

213320386 is a wasteful number, since it uses less digits than its factorization.

213320386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35249.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 213320386 is about 14605.4916384215. The cubic root of 213320386 is about 597.5085446629.

Adding to 213320386 its reverse (683023312), we get a palindrome (896343698).

The spelling of 213320386 in words is "two hundred thirteen million, three hundred twenty thousand, three hundred eighty-six".