212935790 has 8 divisors (see below), whose sum is σ = 383284440. Its totient is φ = 85174312.

The previous prime is 212935783. The next prime is 212935799. The reversal of 212935790 is 97539212.

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 (212935799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10646780 + ... + 10646799.

It is an arithmetic number, because the mean of its divisors is an integer number (47910555).

Almost surely, 2^212935790 is an apocalyptic number.

212935790 is a deficient number, since it is larger than the sum of its proper divisors (170348650).

212935790 is a wasteful number, since it uses less digits than its factorization.

212935790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21293586.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 212935790 is about 14592.3195551633. The cubic root of 212935790 is about 597.1492452993.

The spelling of 212935790 in words is "two hundred twelve million, nine hundred thirty-five thousand, seven hundred ninety".