4409890 has 8 divisors (see below), whose sum is σ = 7937820. Its totient is φ = 1763952.

The previous prime is 4409887. The next prime is 4409891. The reversal of 4409890 is 989044.

It can be written as a sum of positive squares in 2 ways, for example, as 4380649 + 29241 = 2093^2 + 171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4409891) 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, 220485 + ... + 220504.

Almost surely, 2^4409890 is an apocalyptic number.

4409890 is a deficient number, since it is larger than the sum of its proper divisors (3527930).

4409890 is a wasteful number, since it uses less digits than its factorization.

4409890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440996.

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

The square root of 4409890 is about 2099.9738093605. The cubic root of 4409890 is about 163.9869362983.

The spelling of 4409890 in words is "four million, four hundred nine thousand, eight hundred ninety".