4090308 has 12 divisors (see below), whose sum is σ = 9544080. Its totient is φ = 1363432.

The previous prime is 4090279. The next prime is 4090309. The reversal of 4090308 is 8030904.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4090309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170418 + ... + 170441.

It is an arithmetic number, because the mean of its divisors is an integer number (795340).

Almost surely, 2^4090308 is an apocalyptic number.

It is an amenable number.

4090308 is an abundant number, since it is smaller than the sum of its proper divisors (5453772).

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

4090308 is a wasteful number, since it uses less digits than its factorization.

4090308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340866 (or 340864 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4090308 is about 2022.4509882813. The cubic root of 4090308 is about 159.9258510591.

The spelling of 4090308 in words is "four million, ninety thousand, three hundred eight".