194264464 has 20 divisors (see below), whose sum is σ = 376727500. Its totient is φ = 97044480.

The previous prime is 194264419. The next prime is 194264471. The reversal of 194264464 is 464462491.

It can be written as a sum of positive squares in 2 ways, for example, as 33177600 + 161086864 = 5760^2 + 12692^2 .

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 3 ways as a sum of consecutive naturals, for example, 15124 + ... + 24844.

It is an arithmetic number, because the mean of its divisors is an integer number (18836375).

Almost surely, 2^194264464 is an apocalyptic number.

It is an amenable number.

194264464 is a deficient number, since it is larger than the sum of its proper divisors (182463036).

194264464 is a wasteful number, since it uses less digits than its factorization.

194264464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978 (or 10972 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 194264464 is about 13937.8787482170. The cubic root of 194264464 is about 579.1589713059.

The spelling of 194264464 in words is "one hundred ninety-four million, two hundred sixty-four thousand, four hundred sixty-four".