4090655 has 8 divisors (see below), whose sum is σ = 4968432. Its totient is φ = 3232768.

The previous prime is 4090651. The next prime is 4090663. The reversal of 4090655 is 5560904.

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 4090655 - 2² = 4090651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4514 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (621054).

Almost surely, 2^4090655 is an apocalyptic number.

4090655 is a deficient number, since it is larger than the sum of its proper divisors (877777).

4090655 is an equidigital number, since it uses as much as digits as its factorization.

4090655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 4090655 is about 2022.5367734605. The cubic root of 4090655 is about 159.9303733510.

The spelling of 4090655 in words is "four million, ninety thousand, six hundred fifty-five".