194865964 has 24 divisors (see below), whose sum is σ = 358570800. Its totient is φ = 92527680.

The previous prime is 194865943. The next prime is 194865977. The reversal of 194865964 is 469568491.

It is a happy 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, 6694 + ... + 20845.

It is an arithmetic number, because the mean of its divisors is an integer number (14940450).

Almost surely, 2^194865964 is an apocalyptic number.

It is an amenable number.

194865964 is a deficient number, since it is larger than the sum of its proper divisors (163704836).

194865964 is a wasteful number, since it uses less digits than its factorization.

194865964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27633 (or 27631 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 194865964 is about 13959.4399601130. The cubic root of 194865964 is about 579.7561043504.

The spelling of 194865964 in words is "one hundred ninety-four million, eight hundred sixty-five thousand, nine hundred sixty-four".