194457956 has 24 divisors (see below), whose sum is σ = 424272576. Its totient is φ = 75762720.

The previous prime is 194457943. The next prime is 194457959. The reversal of 194457956 is 659754491.

194457956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (194457959) 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, 315371 + ... + 315986.

It is an arithmetic number, because the mean of its divisors is an integer number (17678024).

Almost surely, 2^194457956 is an apocalyptic number.

It is an amenable number.

194457956 is an abundant number, since it is smaller than the sum of its proper divisors (229814620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194457956 is a wasteful number, since it uses less digits than its factorization.

194457956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631379 (or 631377 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 194457956 is about 13944.8182490845. The cubic root of 194457956 is about 579.3511928447.

The spelling of 194457956 in words is "one hundred ninety-four million, four hundred fifty-seven thousand, nine hundred fifty-six".