194794450 has 24 divisors (see below), whose sum is σ = 374814180. Its totient is φ = 75230400.

The previous prime is 194794447. The next prime is 194794489. The reversal of 194794450 is 54497491.

It can be written as a sum of positive squares in 6 ways, for example, as 97555129 + 97239321 = 9877^2 + 9861^2 .

It is a junction number, because it is equal to n+sod(n) for n = 194794397 and 194794406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65721 + ... + 68620.

Almost surely, 2^194794450 is an apocalyptic number.

194794450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194794450 is a deficient number, since it is larger than the sum of its proper divisors (180019730).

194794450 is a wasteful number, since it uses less digits than its factorization.

194794450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134382 (or 134377 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 194794450 is about 13956.8782326135. The cubic root of 194794450 is about 579.6851739698.

The spelling of 194794450 in words is "one hundred ninety-four million, seven hundred ninety-four thousand, four hundred fifty".