7885842 has 16 divisors (see below), whose sum is σ = 16280832. Its totient is φ = 2543760.

The previous prime is 7885837. The next prime is 7885861. The reversal of 7885842 is 2485887.

It is a d-powerful number, because it can be written as 7⁸ + 8 + 8² + 5⁶ + 8⁴ + 4⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 7885794 and 7885803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21013 + ... + 21384.

It is an arithmetic number, because the mean of its divisors is an integer number (1017552).

Almost surely, 2^7885842 is an apocalyptic number.

7885842 is an abundant number, since it is smaller than the sum of its proper divisors (8394990).

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

7885842 is a wasteful number, since it uses less digits than its factorization.

7885842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42433.

The product of its digits is 143360, while the sum is 42.

The square root of 7885842 is about 2808.1741398994. The cubic root of 7885842 is about 199.0441220988.

The spelling of 7885842 in words is "seven million, eight hundred eighty-five thousand, eight hundred forty-two".