194993296 has 15 divisors (see below), whose sum is σ = 377907763. Its totient is φ = 97468720.

The previous prime is 194993243. The next prime is 194993297. The reversal of 194993296 is 692399491.

The square root of 194993296 is 13964.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194993297) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54111 + ... + 57601.

Almost surely, 2^194993296 is an apocalyptic number.

194993296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

194993296 is the 13964-th square number.

It is an amenable number.

194993296 is a deficient number, since it is larger than the sum of its proper divisors (182914467).

194993296 is an frugal number, since it uses more digits than its factorization.

194993296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990 (or 3493 counting only the distinct ones).

The product of its digits is 944784, while the sum is 52.

The cubic root of 194993296 is about 579.8823542599.

Multiplying 194993296 by its product of digits (944784), we get a square (184226546168064 = 13573008²).

The spelling of 194993296 in words is "one hundred ninety-four million, nine hundred ninety-three thousand, two hundred ninety-six".