4609090 has 16 divisors (see below), whose sum is σ = 8521272. Its totient is φ = 1793664.

The previous prime is 4609081. The next prime is 4609093. The reversal of 4609090 is 909064.

It can be written as a sum of positive squares in 4 ways, for example, as 4592449 + 16641 = 2143^2 + 129^2 .

4609090 is a modest number, since divided by 9090 gives 460 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4609093) 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, 5859 + ... + 6598.

Almost surely, 2^4609090 is an apocalyptic number.

4609090 is a deficient number, since it is larger than the sum of its proper divisors (3912182).

4609090 is a wasteful number, since it uses less digits than its factorization.

4609090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12501.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4609090 is about 2146.8791302726. The cubic root of 4609090 is about 166.4198257088.

The spelling of 4609090 in words is "four million, six hundred nine thousand, ninety".