213599090 has 16 divisors (see below), whose sum is σ = 384652800. Its totient is φ = 85400880.

The previous prime is 213599069. The next prime is 213599093. The reversal of 213599090 is 90995312.

It is not an unprimeable number, because it can be changed into a prime (213599093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30761 + ... + 37059.

It is an arithmetic number, because the mean of its divisors is an integer number (24040800).

Almost surely, 2^213599090 is an apocalyptic number.

213599090 is a deficient number, since it is larger than the sum of its proper divisors (171053710).

213599090 is a wasteful number, since it uses less digits than its factorization.

213599090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 213599090 is about 14615.0295928541. The cubic root of 213599090 is about 597.7686472468.

The spelling of 213599090 in words is "two hundred thirteen million, five hundred ninety-nine thousand, ninety".