212494790 has 16 divisors (see below), whose sum is σ = 384929712. Its totient is φ = 84455904.

The previous prime is 212494783. The next prime is 212494817. The reversal of 212494790 is 97494212.

212494790 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 7 ways as a sum of consecutive naturals, for example, 66104 + ... + 69243.

It is an arithmetic number, because the mean of its divisors is an integer number (24058107).

Almost surely, 2^212494790 is an apocalyptic number.

212494790 is a deficient number, since it is larger than the sum of its proper divisors (172434922).

212494790 is a wasteful number, since it uses less digits than its factorization.

212494790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135511.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 212494790 is about 14577.2010344922. The cubic root of 212494790 is about 596.7367190239.

The spelling of 212494790 in words is "two hundred twelve million, four hundred ninety-four thousand, seven hundred ninety".