194955974 has 4 divisors (see below), whose sum is σ = 292433964. Its totient is φ = 97477986.

The previous prime is 194955973. The next prime is 194955977. The reversal of 194955974 is 479559491.

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 (194955973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48738992 + ... + 48738995.

It is an arithmetic number, because the mean of its divisors is an integer number (73108491).

Almost surely, 2^194955974 is an apocalyptic number.

194955974 is a deficient number, since it is larger than the sum of its proper divisors (97477990).

194955974 is an equidigital number, since it uses as much as digits as its factorization.

194955974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97477989.

The product of its digits is 2041200, while the sum is 53.

The square root of 194955974 is about 13962.6635711099. The cubic root of 194955974 is about 579.8453551244.

The spelling of 194955974 in words is "one hundred ninety-four million, nine hundred fifty-five thousand, nine hundred seventy-four".