194426853 has 8 divisors (see below), whose sum is σ = 259980000. Its totient is φ = 129245808.

The previous prime is 194426839. The next prime is 194426857. The reversal of 194426853 is 358624491.

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

It is not a de Polignac number, because 194426853 - 2²¹ = 192329701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194426857) 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, 91803 + ... + 93896.

It is an arithmetic number, because the mean of its divisors is an integer number (32497500).

Almost surely, 2^194426853 is an apocalyptic number.

It is an amenable number.

194426853 is a deficient number, since it is larger than the sum of its proper divisors (65553147).

194426853 is a wasteful number, since it uses less digits than its factorization.

194426853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186051.

The product of its digits is 207360, while the sum is 42.

The square root of 194426853 is about 13943.7029873703. The cubic root of 194426853 is about 579.3203026695.

The spelling of 194426853 in words is "one hundred ninety-four million, four hundred twenty-six thousand, eight hundred fifty-three".