7891960 has 16 divisors (see below), whose sum is σ = 17757000. Its totient is φ = 3156768.

The previous prime is 7891951. The next prime is 7891969. The reversal of 7891960 is 691987.

It is an interprime number because it is at equal distance from previous prime (7891951) and next prime (7891969).

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 197299 = 7891960 / (7 + 8 + 9 + 1 + 9 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7891969) 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, 98610 + ... + 98689.

Almost surely, 2^7891960 is an apocalyptic number.

It is an amenable number.

7891960 is an abundant number, since it is smaller than the sum of its proper divisors (9865040).

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

7891960 is a wasteful number, since it uses less digits than its factorization.

7891960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197310 (or 197306 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 7891960 is about 2809.2632486116. The cubic root of 7891960 is about 199.0955829808.

The spelling of 7891960 in words is "seven million, eight hundred ninety-one thousand, nine hundred sixty".