4491617 has 8 divisors (see below), whose sum is σ = 4904424. Its totient is φ = 4088448.

The previous prime is 4491569. The next prime is 4491623. The reversal of 4491617 is 7161944.

It can be written as a sum of positive squares in 4 ways, for example, as 14161 + 4477456 = 119^2 + 2116^2 .

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

It is not a de Polignac number, because 4491617 - 2¹² = 4487521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4491667) 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, 1418 + ... + 3315.

It is an arithmetic number, because the mean of its divisors is an integer number (613053).

Almost surely, 2^4491617 is an apocalyptic number.

It is an amenable number.

4491617 is a deficient number, since it is larger than the sum of its proper divisors (412807).

4491617 is a wasteful number, since it uses less digits than its factorization.

4491617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819.

The product of its digits is 6048, while the sum is 32.

The square root of 4491617 is about 2119.3435304358. The cubic root of 4491617 is about 164.9937799920.

The spelling of 4491617 in words is "four million, four hundred ninety-one thousand, six hundred seventeen".