194957357 has 8 divisors (see below), whose sum is σ = 229996032. Its totient is φ = 161715600.

The previous prime is 194957351. The next prime is 194957381. The reversal of 194957357 is 753759491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194957357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194957351) 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, 448994 + ... + 449427.

It is an arithmetic number, because the mean of its divisors is an integer number (28749504).

Almost surely, 2^194957357 is an apocalyptic number.

It is an amenable number.

194957357 is a deficient number, since it is larger than the sum of its proper divisors (35038675).

194957357 is an equidigital number, since it uses as much as digits as its factorization.

194957357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898459.

The product of its digits is 1190700, while the sum is 50.

The square root of 194957357 is about 13962.7130959567. The cubic root of 194957357 is about 579.8467262446.

The spelling of 194957357 in words is "one hundred ninety-four million, nine hundred fifty-seven thousand, three hundred fifty-seven".