79844 has 6 divisors (see below), whose sum is σ = 139734. Its totient is φ = 39920.

The previous prime is 79843. The next prime is 79847. The reversal of 79844 is 44897.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78400 + 1444 = 280^2 + 38^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 79844.

It is not an unprimeable number, because it can be changed into a prime (79841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9977 + ... + 9984.

It is an arithmetic number, because the mean of its divisors is an integer number (23289).

2⁷⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

79844 is a deficient number, since it is larger than the sum of its proper divisors (59890).

79844 is a wasteful number, since it uses less digits than its factorization.

79844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19965 (or 19963 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 79844 is about 282.5668062600. The cubic root of 79844 is about 43.0606679249.

The spelling of 79844 in words is "seventy-nine thousand, eight hundred forty-four".