199400396 has 36 divisors (see below), whose sum is σ = 379319472. Its totient is φ = 91675584.

The previous prime is 199400323. The next prime is 199400413. The reversal of 199400396 is 693004991.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268001 + ... + 268743.

It is an arithmetic number, because the mean of its divisors is an integer number (10536652).

Almost surely, 2^199400396 is an apocalyptic number.

It is an amenable number.

199400396 is a deficient number, since it is larger than the sum of its proper divisors (179919076).

199400396 is a wasteful number, since it uses less digits than its factorization.

199400396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 199400396 is about 14120.9205082388. The cubic root of 199400396 is about 584.2185450587.

The spelling of 199400396 in words is "one hundred ninety-nine million, four hundred thousand, three hundred ninety-six".