194980694 has 4 divisors (see below), whose sum is σ = 292471044. Its totient is φ = 97490346.

The previous prime is 194980649. The next prime is 194980699. The reversal of 194980694 is 496089491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194980699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48745172 + ... + 48745175.

It is an arithmetic number, because the mean of its divisors is an integer number (73117761).

Almost surely, 2^194980694 is an apocalyptic number.

194980694 is a deficient number, since it is larger than the sum of its proper divisors (97490350).

194980694 is an equidigital number, since it uses as much as digits as its factorization.

194980694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97490349.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 194980694 is about 13963.5487609705. The cubic root of 194980694 is about 579.8698618050.

The spelling of 194980694 in words is "one hundred ninety-four million, nine hundred eighty thousand, six hundred ninety-four".