194428354 has 32 divisors (see below), whose sum is σ = 321012720. Its totient is φ = 87908352.

The previous prime is 194428321. The next prime is 194428363. The reversal of 194428354 is 453824491.

It can be written as a sum of positive squares in 8 ways, for example, as 159441129 + 34987225 = 12627^2 + 5915^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288562 + ... + 289234.

Almost surely, 2^194428354 is an apocalyptic number.

194428354 is a deficient number, since it is larger than the sum of its proper divisors (126584366).

194428354 is a wasteful number, since it uses less digits than its factorization.

194428354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014.

The product of its digits is 138240, while the sum is 40.

The square root of 194428354 is about 13943.7568108455. The cubic root of 194428354 is about 579.3217934745.

The spelling of 194428354 in words is "one hundred ninety-four million, four hundred twenty-eight thousand, three hundred fifty-four".