194449825 has 24 divisors (see below), whose sum is σ = 263554560. Its totient is φ = 141676800.

The previous prime is 194449799. The next prime is 194449841. The reversal of 194449825 is 528944491.

It is not a de Polignac number, because 194449825 - 2¹³ = 194441633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5796 + ... + 20554.

It is an arithmetic number, because the mean of its divisors is an integer number (10981440).

Almost surely, 2^194449825 is an apocalyptic number.

It is an amenable number.

194449825 is a deficient number, since it is larger than the sum of its proper divisors (69104735).

194449825 is a wasteful number, since it uses less digits than its factorization.

194449825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14817 (or 14812 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 194449825 is about 13944.5267040513. The cubic root of 194449825 is about 579.3431177997.

The spelling of 194449825 in words is "one hundred ninety-four million, four hundred forty-nine thousand, eight hundred twenty-five".