199693296 has 80 divisors (see below), whose sum is σ = 625317120. Its totient is φ = 60511680.

The previous prime is 199693279. The next prime is 199693297. The reversal of 199693296 is 692396991.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199693297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16260 + ... + 25763.

It is an arithmetic number, because the mean of its divisors is an integer number (7816464).

Almost surely, 2^199693296 is an apocalyptic number.

199693296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199693296 is an abundant number, since it is smaller than the sum of its proper divisors (425623824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199693296 is a wasteful number, since it uses less digits than its factorization.

199693296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42051 (or 42039 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 199693296 is about 14131.2878394009. The cubic root of 199693296 is about 584.5044587254.

The spelling of 199693296 in words is "one hundred ninety-nine million, six hundred ninety-three thousand, two hundred ninety-six".