7980685 has 8 divisors (see below), whose sum is σ = 9646560. Its totient is φ = 6338064.

The previous prime is 7980683. The next prime is 7980689. The reversal of 7980685 is 5860897.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7980685 - 2¹ = 7980683 is a prime.

7980685 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980683) 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, 5047 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820).

Almost surely, 2^7980685 is an apocalyptic number.

It is an amenable number.

7980685 is a deficient number, since it is larger than the sum of its proper divisors (1665875).

7980685 is a wasteful number, since it uses less digits than its factorization.

7980685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11627.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 7980685 is about 2825.0106194491. The cubic root of 7980685 is about 199.8389119547.

The spelling of 7980685 in words is "seven million, nine hundred eighty thousand, six hundred eighty-five".