4290665 has 8 divisors (see below), whose sum is σ = 5183808. Its totient is φ = 3409200.

The previous prime is 4290661. The next prime is 4290667. The reversal of 4290665 is 5660924.

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

It is not a de Polignac number, because 4290665 - 2² = 4290661 is a prime.

It is a super-2 number, since 2×4290665² = 36819612284450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4290661) 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, 2087 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (647976).

Almost surely, 2^4290665 is an apocalyptic number.

It is an amenable number.

4290665 is a deficient number, since it is larger than the sum of its proper divisors (893143).

4290665 is a wasteful number, since it uses less digits than its factorization.

4290665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 4290665 is about 2071.3920440129. The cubic root of 4290665 is about 162.4955738439.

The spelling of 4290665 in words is "four million, two hundred ninety thousand, six hundred sixty-five".