199493692 has 24 divisors (see below), whose sum is σ = 371290640. Its totient is φ = 93519360.

The previous prime is 199493683. The next prime is 199493699. The reversal of 199493692 is 296394991.

199493692 = T₄₅₇₃ + T₄₅₇₄ + ... + T₄₅₉₁.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199493699) 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, 6159 + ... + 20902.

Almost surely, 2^199493692 is an apocalyptic number.

It is an amenable number.

199493692 is a deficient number, since it is larger than the sum of its proper divisors (171796948).

199493692 is a wasteful number, since it uses less digits than its factorization.

199493692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27181 (or 27179 counting only the distinct ones).

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

The square root of 199493692 is about 14124.2235892809. The cubic root of 199493692 is about 584.3096461063.

The spelling of 199493692 in words is "one hundred ninety-nine million, four hundred ninety-three thousand, six hundred ninety-two".