7905842 has 8 divisors (see below), whose sum is σ = 13552896. Its totient is φ = 3388212.

The previous prime is 7905839. The next prime is 7905847. The reversal of 7905842 is 2485097.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (7905847) 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, 282338 + ... + 282365.

It is an arithmetic number, because the mean of its divisors is an integer number (1694112).

Almost surely, 2^7905842 is an apocalyptic number.

7905842 is a deficient number, since it is larger than the sum of its proper divisors (5647054).

7905842 is a wasteful number, since it uses less digits than its factorization.

7905842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564712.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7905842 is about 2811.7329176150. The cubic root of 7905842 is about 199.2122513338.

The spelling of 7905842 in words is "seven million, nine hundred five thousand, eight hundred forty-two".