213090790 has 32 divisors (see below), whose sum is σ = 419035680. Its totient is φ = 77376000.

The previous prime is 213090769. The next prime is 213090803. The reversal of 213090790 is 97090312.

213090790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142366 + ... + 143854.

It is an arithmetic number, because the mean of its divisors is an integer number (13094865).

Almost surely, 2^213090790 is an apocalyptic number.

213090790 is a deficient number, since it is larger than the sum of its proper divisors (205944890).

213090790 is a wasteful number, since it uses less digits than its factorization.

213090790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 213090790 is about 14597.6296020964. The cubic root of 213090790 is about 597.2941022440.

The spelling of 213090790 in words is "two hundred thirteen million, ninety thousand, seven hundred ninety".