7836940 has 12 divisors (see below), whose sum is σ = 16457616. Its totient is φ = 3134768.

The previous prime is 7836887. The next prime is 7836947. The reversal of 7836940 is 496387.

It is a super-2 number, since 2×7836940² = 122835257127200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7836940.

It is not an unprimeable number, because it can be changed into a prime (7836947) 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, 195904 + ... + 195943.

It is an arithmetic number, because the mean of its divisors is an integer number (1371468).

Almost surely, 2^7836940 is an apocalyptic number.

It is an amenable number.

7836940 is an abundant number, since it is smaller than the sum of its proper divisors (8620676).

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

7836940 is a wasteful number, since it uses less digits than its factorization.

7836940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391856 (or 391854 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 7836940 is about 2799.4535180996. The cubic root of 7836940 is about 198.6318285432.

The spelling of 7836940 in words is "seven million, eight hundred thirty-six thousand, nine hundred forty".