799538 has 4 divisors (see below), whose sum is σ = 1199310. Its totient is φ = 399768.

The previous prime is 799529. The next prime is 799543. The reversal of 799538 is 835997.

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

It can be written as a sum of positive squares in only one way, i.e., 786769 + 12769 = 887^2 + 113^2 .

It is a super-3 number, since 3×799538³ = 1533340416500966616, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 799495 and 799504.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199883 + ... + 199886.

2⁷⁹⁹⁵³⁸ is an apocalyptic number.

799538 is a deficient number, since it is larger than the sum of its proper divisors (399772).

799538 is a wasteful number, since it uses less digits than its factorization.

799538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399771.

The product of its digits is 68040, while the sum is 41.

The square root of 799538 is about 894.1688878506. The cubic root of 799538 is about 92.8139031141.

It can be divided in two parts, 7995 and 38, that multiplied together give a triangular number (303810 = T₇₇₉).

The spelling of 799538 in words is "seven hundred ninety-nine thousand, five hundred thirty-eight".