194426830 has 32 divisors (see below), whose sum is σ = 383292000. Its totient is φ = 70568832.

The previous prime is 194426809. The next prime is 194426833. The reversal of 194426830 is 38624491.

It is a self number, because there is not a number n which added to its sum of digits gives 194426830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194426833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5005 + ... + 20344.

It is an arithmetic number, because the mean of its divisors is an integer number (11977875).

Almost surely, 2^194426830 is an apocalyptic number.

194426830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194426830 is a deficient number, since it is larger than the sum of its proper divisors (188865170).

194426830 is a wasteful number, since it uses less digits than its factorization.

194426830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25428.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 194426830 is about 13943.7021626252. The cubic root of 194426830 is about 579.3202798257.

The spelling of 194426830 in words is "one hundred ninety-four million, four hundred twenty-six thousand, eight hundred thirty".