7961895 has 24 divisors (see below), whose sum is σ = 14313936. Its totient is φ = 4245696.

The previous prime is 7961881. The next prime is 7961929. The reversal of 7961895 is 5981697.

7961895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7961895 - 2⁴ = 7961879 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7961895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2062 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (596414).

Almost surely, 2^7961895 is an apocalyptic number.

7961895 is a deficient number, since it is larger than the sum of its proper divisors (6352041).

7961895 is an equidigital number, since it uses as much as digits as its factorization.

7961895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6573 (or 6561 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 7961895 is about 2821.6830084189. The cubic root of 7961895 is about 199.6819528314.

The spelling of 7961895 in words is "seven million, nine hundred sixty-one thousand, eight hundred ninety-five".