194389936 has 20 divisors (see below), whose sum is σ = 405602512. Its totient is φ = 89718336.

The previous prime is 194389927. The next prime is 194389939. The reversal of 194389936 is 639983491.

194389936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (194389939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467076 + ... + 467491.

Almost surely, 2^194389936 is an apocalyptic number.

194389936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194389936 is an abundant number, since it is smaller than the sum of its proper divisors (211212576).

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

194389936 is a wasteful number, since it uses less digits than its factorization.

194389936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934588 (or 934582 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 194389936 is about 13942.3791370053. The cubic root of 194389936 is about 579.2836340012.

The spelling of 194389936 in words is "one hundred ninety-four million, three hundred eighty-nine thousand, nine hundred thirty-six".