79949 has 4 divisors (see below), whose sum is σ = 82560. Its totient is φ = 77340.

The previous prime is 79943. The next prime is 79967. The reversal of 79949 is 94997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79949 - 2⁸ = 79693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (20640).

2⁷⁹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

79949 is a deficient number, since it is larger than the sum of its proper divisors (2611).

79949 is a wasteful number, since it uses less digits than its factorization.

79949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610.

The product of its digits is 20412, while the sum is 38.

The square root of 79949 is about 282.7525419868. The cubic root of 79949 is about 43.0795355068.

It can be divided in two parts, 799 and 49, that added together give a palindrome (848).

The spelling of 79949 in words is "seventy-nine thousand, nine hundred forty-nine".