4109090 has 16 divisors (see below), whose sum is σ = 7536888. Its totient is φ = 1612416.

The previous prime is 4109089. The next prime is 4109093. The reversal of 4109090 is 909014.

It can be written as a sum of positive squares in 4 ways, for example, as 4108729 + 361 = 2027^2 + 19^2 .

It is an alternating number because its digits alternate between even and odd.

4109090 is a modest number, since divided by 9090 gives 410 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4109093) 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, 3347 + ... + 4406.

Almost surely, 2^4109090 is an apocalyptic number.

4109090 is a deficient number, since it is larger than the sum of its proper divisors (3427798).

4109090 is a wasteful number, since it uses less digits than its factorization.

4109090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 4109090 is about 2027.0890458981. The cubic root of 4109090 is about 160.1702614630.

The spelling of 4109090 in words is "four million, one hundred nine thousand, ninety".