7861340 has 24 divisors (see below), whose sum is σ = 16913232. Its totient is φ = 3067520.

The previous prime is 7861339. The next prime is 7861351. The reversal of 7861340 is 431687.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974 + ... + 5613.

It is an arithmetic number, because the mean of its divisors is an integer number (704718).

Almost surely, 2^7861340 is an apocalyptic number.

It is an amenable number.

7861340 is an abundant number, since it is smaller than the sum of its proper divisors (9051892).

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

7861340 is a wasteful number, since it uses less digits than its factorization.

7861340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637 (or 9635 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7861340 is about 2803.8081246762. The cubic root of 7861340 is about 198.8377590630.

The spelling of 7861340 in words is "seven million, eight hundred sixty-one thousand, three hundred forty".