7965940 has 24 divisors (see below), whose sum is σ = 17609760. Its totient is φ = 3018528.

The previous prime is 7965907. The next prime is 7965941. The reversal of 7965940 is 495697.

It is a junction number, because it is equal to n+sod(n) for n = 7965893 and 7965902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7965941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10102 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (733740).

Almost surely, 2^7965940 is an apocalyptic number.

It is an amenable number.

7965940 is an abundant number, since it is smaller than the sum of its proper divisors (9643820).

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

7965940 is a wasteful number, since it uses less digits than its factorization.

7965940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991 (or 20989 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 7965940 is about 2822.3996882086. The cubic root of 7965940 is about 199.7157629044.

The spelling of 7965940 in words is "seven million, nine hundred sixty-five thousand, nine hundred forty".