8079942 has 32 divisors (see below), whose sum is σ = 17660160. Its totient is φ = 2449440.

The previous prime is 8079917. The next prime is 8079943. The reversal of 8079942 is 2499708.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 8079942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8079943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4809 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (551880).

Almost surely, 2^8079942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8079942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8830080).

8079942 is an abundant number, since it is smaller than the sum of its proper divisors (9580218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8079942 is a wasteful number, since it uses less digits than its factorization.

8079942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 8079942 is about 2842.5238785277. The cubic root of 8079942 is about 200.6639765695.

The spelling of 8079942 in words is "eight million, seventy-nine thousand, nine hundred forty-two".