7979850 has 96 divisors (see below), whose sum is σ = 23034240. Its totient is φ = 2027520.

The previous prime is 7979833. The next prime is 7979857. The reversal of 7979850 is 589797.

7979850 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7979796 and 7979805.

It is not an unprimeable number, because it can be changed into a prime (7979857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30922 + ... + 31178.

It is an arithmetic number, because the mean of its divisors is an integer number (239940).

Almost surely, 2^7979850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7979850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11517120).

7979850 is an abundant number, since it is smaller than the sum of its proper divisors (15054390).

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

7979850 is a wasteful number, since it uses less digits than its factorization.

7979850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 7979850 is about 2824.8628285281. The cubic root of 7979850 is about 199.8319421557.

The spelling of 7979850 in words is "seven million, nine hundred seventy-nine thousand, eight hundred fifty".