199265838 has 16 divisors (see below), whose sum is σ = 403010640. Its totient is φ = 65675456.

The previous prime is 199265783. The next prime is 199265881. The reversal of 199265838 is 838562991.

It is a happy number.

199265838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 186045 + ... + 187112.

It is an arithmetic number, because the mean of its divisors is an integer number (25188165).

Almost surely, 2^199265838 is an apocalyptic number.

199265838 is an abundant number, since it is smaller than the sum of its proper divisors (203744802).

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

199265838 is a wasteful number, since it uses less digits than its factorization.

199265838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373251.

The product of its digits is 933120, while the sum is 51.

The square root of 199265838 is about 14116.1552130883. The cubic root of 199265838 is about 584.0871027115.

The spelling of 199265838 in words is "one hundred ninety-nine million, two hundred sixty-five thousand, eight hundred thirty-eight".