799142 has 4 divisors (see below), whose sum is σ = 1198716. Its totient is φ = 399570.

The previous prime is 799103. The next prime is 799147. The reversal of 799142 is 241997.

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

It is a junction number, because it is equal to n+sod(n) for n = 799099 and 799108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199784 + ... + 199787.

It is an arithmetic number, because the mean of its divisors is an integer number (299679).

2⁷⁹⁹¹⁴² is an apocalyptic number.

799142 is a deficient number, since it is larger than the sum of its proper divisors (399574).

799142 is a wasteful number, since it uses less digits than its factorization.

799142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399573.

The product of its digits is 4536, while the sum is 32.

The square root of 799142 is about 893.9474257472. The cubic root of 799142 is about 92.7985774405.

The spelling of 799142 in words is "seven hundred ninety-nine thousand, one hundred forty-two".