4090680 has 96 divisors (see below), whose sum is σ = 14517360. Its totient is φ = 990720.

The previous prime is 4090679. The next prime is 4090703. The reversal of 4090680 is 860904.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3444 + ... + 4476.

Almost surely, 2^4090680 is an apocalyptic number.

4090680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4090680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7258680).

4090680 is an abundant number, since it is smaller than the sum of its proper divisors (10426680).

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

4090680 is a wasteful number, since it uses less digits than its factorization.

4090680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4090680 is about 2022.5429538084. The cubic root of 4090680 is about 159.9306991547.

The spelling of 4090680 in words is "four million, ninety thousand, six hundred eighty".