4090663 has 2 divisors, whose sum is σ = 4090664. Its totient is φ = 4090662.

The previous prime is 4090651. The next prime is 4090673. The reversal of 4090663 is 3660904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4090663 - 2¹⁷ = 3959591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4090673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045331 + 2045332.

It is an arithmetic number, because the mean of its divisors is an integer number (2045332).

Almost surely, 2^4090663 is an apocalyptic number.

4090663 is a deficient number, since it is larger than the sum of its proper divisors (1).

4090663 is an equidigital number, since it uses as much as digits as its factorization.

4090663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 4090663 is about 2022.5387511739. The cubic root of 4090663 is about 159.9304776084.

It can be divided in two parts, 4090 and 663, that added together give a triangular number (4753 = T₉₇).

The spelling of 4090663 in words is "four million, ninety thousand, six hundred sixty-three".