4089490 has 16 divisors (see below), whose sum is σ = 7435800. Its totient is φ = 1619200.

The previous prime is 4089473. The next prime is 4089509. The reversal of 4089490 is 949804.

It can be written as a sum of positive squares in 4 ways, for example, as 3721041 + 368449 = 1929^2 + 607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015 + ... + 3034.

Almost surely, 2^4089490 is an apocalyptic number.

4089490 is a deficient number, since it is larger than the sum of its proper divisors (3346310).

4089490 is a wasteful number, since it uses less digits than its factorization.

4089490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4089490 is about 2022.2487482998. The cubic root of 4089490 is about 159.9151894277.

The spelling of 4089490 in words is "four million, eighty-nine thousand, four hundred ninety".