9199942 has 4 divisors (see below), whose sum is σ = 13799916. Its totient is φ = 4599970.

The previous prime is 9199937. The next prime is 9199987. The reversal of 9199942 is 2499919.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2299984 + ... + 2299987.

It is an arithmetic number, because the mean of its divisors is an integer number (3449979).

Almost surely, 2^9199942 is an apocalyptic number.

9199942 is a deficient number, since it is larger than the sum of its proper divisors (4599974).

9199942 is a wasteful number, since it uses less digits than its factorization.

9199942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599973.

The product of its digits is 52488, while the sum is 43.

The square root of 9199942 is about 3033.1406165887. The cubic root of 9199942 is about 209.5374703001.

The spelling of 9199942 in words is "nine million, one hundred ninety-nine thousand, nine hundred forty-two".