194055790 has 32 divisors (see below), whose sum is σ = 357431616. Its totient is φ = 75828480.

The previous prime is 194055767. The next prime is 194055857. The reversal of 194055790 is 97550491.

194055790 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, 148279 + ... + 149581.

It is an arithmetic number, because the mean of its divisors is an integer number (11169738).

Almost surely, 2^194055790 is an apocalyptic number.

194055790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194055790 is a deficient number, since it is larger than the sum of its proper divisors (163375826).

194055790 is a wasteful number, since it uses less digits than its factorization.

194055790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 194055790 is about 13930.3908775023. The cubic root of 194055790 is about 578.9515243445.

The spelling of 194055790 in words is "one hundred ninety-four million, fifty-five thousand, seven hundred ninety".