799842 has 16 divisors (see below), whose sum is σ = 1615680. Its totient is φ = 263952.

The previous prime is 799837. The next prime is 799853. The reversal of 799842 is 248997.

It is a self number, because there is not a number n which added to its sum of digits gives 799842.

It is an unprimeable number.

799842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (100980).

2⁷⁹⁹⁸⁴² is an apocalyptic number.

799842 is an abundant number, since it is smaller than the sum of its proper divisors (815838).

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

799842 is a wasteful number, since it uses less digits than its factorization.

799842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its digits is 36288, while the sum is 39.

The square root of 799842 is about 894.3388619533. The cubic root of 799842 is about 92.8256648446.

The spelling of 799842 in words is "seven hundred ninety-nine thousand, eight hundred forty-two".