7846940 has 12 divisors (see below), whose sum is σ = 16478616. Its totient is φ = 3138768.

The previous prime is 7846939. The next prime is 7846961. The reversal of 7846940 is 496487.

It is a happy number.

It is a super-4 number, since 4×7846940⁴ (a number of 29 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7846894 and 7846903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196154 + ... + 196193.

It is an arithmetic number, because the mean of its divisors is an integer number (1373218).

Almost surely, 2^7846940 is an apocalyptic number.

It is an amenable number.

7846940 is an abundant number, since it is smaller than the sum of its proper divisors (8631676).

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

7846940 is a wasteful number, since it uses less digits than its factorization.

7846940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392356 (or 392354 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7846940 is about 2801.2390115804. The cubic root of 7846940 is about 198.7162779172.

The spelling of 7846940 in words is "seven million, eight hundred forty-six thousand, nine hundred forty".