199103694 has 16 divisors (see below), whose sum is σ = 421631568. Its totient is φ = 62463872.

The previous prime is 199103687. The next prime is 199103713. The reversal of 199103694 is 496301991.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975897 + ... + 976100.

It is an arithmetic number, because the mean of its divisors is an integer number (26351973).

Almost surely, 2^199103694 is an apocalyptic number.

199103694 is an abundant number, since it is smaller than the sum of its proper divisors (222527874).

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

199103694 is a wasteful number, since it uses less digits than its factorization.

199103694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952019.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 199103694 is about 14110.4108373924. The cubic root of 199103694 is about 583.9286344739.

The spelling of 199103694 in words is "one hundred ninety-nine million, one hundred three thousand, six hundred ninety-four".