79983238 has 4 divisors (see below), whose sum is σ = 119974860. Its totient is φ = 39991618.

The previous prime is 79983227. The next prime is 79983269. The reversal of 79983238 is 83238997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83238997 = 7681 ⋅10837.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 79983191 and 79983200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19995808 + ... + 19995811.

It is an arithmetic number, because the mean of its divisors is an integer number (29993715).

Almost surely, 2^79983238 is an apocalyptic number.

79983238 is a deficient number, since it is larger than the sum of its proper divisors (39991622).

79983238 is a wasteful number, since it uses less digits than its factorization.

79983238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39991621.

The product of its digits is 653184, while the sum is 49.

The square root of 79983238 is about 8943.3348366255. The cubic root of 79983238 is about 430.8568420424.

It can be divided in two parts, 7998 and 3238, that added together give a square (11236 = 106²).

The spelling of 79983238 in words is "seventy-nine million, nine hundred eighty-three thousand, two hundred thirty-eight".