196824399 has 8 divisors (see below), whose sum is σ = 262500480. Its totient is φ = 131182296.

The previous prime is 196824389. The next prime is 196824431. The reversal of 196824399 is 993428691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196824399 - 2⁵ = 196824367 is a prime.

It is a super-2 number, since 2×196824399² = 77479688083422402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196824379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12294 + ... + 23340.

It is an arithmetic number, because the mean of its divisors is an integer number (32812560).

Almost surely, 2^196824399 is an apocalyptic number.

196824399 is a deficient number, since it is larger than the sum of its proper divisors (65676081).

196824399 is a wasteful number, since it uses less digits than its factorization.

196824399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16989.

The product of its digits is 839808, while the sum is 51.

The square root of 196824399 is about 14029.4119263781. The cubic root of 196824399 is about 581.6918486574.

The spelling of 196824399 in words is "one hundred ninety-six million, eight hundred twenty-four thousand, three hundred ninety-nine".