194633057 has 8 divisors (see below), whose sum is σ = 198806976. Its totient is φ = 190496592.

The previous prime is 194633029. The next prime is 194633059. The reversal of 194633057 is 750336491.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 194633057 - 2¹² = 194628961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194633057.

It is not an unprimeable number, because it can be changed into a prime (194633059) 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, 1268 + ... + 19770.

It is an arithmetic number, because the mean of its divisors is an integer number (24850872).

Almost surely, 2^194633057 is an apocalyptic number.

It is an amenable number.

194633057 is a deficient number, since it is larger than the sum of its proper divisors (4173919).

194633057 is a wasteful number, since it uses less digits than its factorization.

194633057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18727.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 194633057 is about 13951.0951899842. The cubic root of 194633057 is about 579.5250342611.

The spelling of 194633057 in words is "one hundred ninety-four million, six hundred thirty-three thousand, fifty-seven".