79234381 has 4 divisors (see below), whose sum is σ = 79759264. Its totient is φ = 78709500.

The previous prime is 79234369. The next prime is 79234391. The reversal of 79234381 is 18343297.

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 79234381 - 2¹¹ = 79232333 is a prime.

It is a super-2 number, since 2×79234381² = 12556174264906322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79234381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79234391) 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, 262215 + ... + 262516.

It is an arithmetic number, because the mean of its divisors is an integer number (19939816).

Almost surely, 2^79234381 is an apocalyptic number.

It is an amenable number.

79234381 is a deficient number, since it is larger than the sum of its proper divisors (524883).

79234381 is a wasteful number, since it uses less digits than its factorization.

79234381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524882.

The product of its digits is 36288, while the sum is 37.

The square root of 79234381 is about 8901.3696137168. The cubic root of 79234381 is about 429.5079661323.

The spelling of 79234381 in words is "seventy-nine million, two hundred thirty-four thousand, three hundred eighty-one".