194403428 has 12 divisors (see below), whose sum is σ = 340526592. Its totient is φ = 97110120.

The previous prime is 194403409. The next prime is 194403431. The reversal of 194403428 is 824304491.

194403428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18008 + ... + 26703.

It is an arithmetic number, because the mean of its divisors is an integer number (28377216).

Almost surely, 2^194403428 is an apocalyptic number.

It is an amenable number.

194403428 is a deficient number, since it is larger than the sum of its proper divisors (146123164).

194403428 is a wasteful number, since it uses less digits than its factorization.

194403428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45802 (or 45800 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 194403428 is about 13942.8629771651. The cubic root of 194403428 is about 579.2970357821.

The spelling of 194403428 in words is "one hundred ninety-four million, four hundred three thousand, four hundred twenty-eight".