194426364 has 24 divisors (see below), whose sum is σ = 494903808. Its totient is φ = 58917040.

The previous prime is 194426363. The next prime is 194426381. The reversal of 194426364 is 463624491.

It is a super-2 number, since 2×194426364² = 75603222036520992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194426363) 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, 736332 + ... + 736595.

It is an arithmetic number, because the mean of its divisors is an integer number (20620992).

Almost surely, 2^194426364 is an apocalyptic number.

It is an amenable number.

194426364 is an abundant number, since it is smaller than the sum of its proper divisors (300477444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194426364 is a wasteful number, since it uses less digits than its factorization.

194426364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472945 (or 1472943 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 194426364 is about 13943.6854525624. The cubic root of 194426364 is about 579.3198169892.

The spelling of 194426364 in words is "one hundred ninety-four million, four hundred twenty-six thousand, three hundred sixty-four".