4288669 has 8 divisors (see below), whose sum is σ = 5347008. Its totient is φ = 3341760.

The previous prime is 4288637. The next prime is 4288681. The reversal of 4288669 is 9668824.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4288669 - 2⁵ = 4288637 is a prime.

It is a super-2 number, since 2×4288669² = 36785363583122, which contains 22 as substring.

It is a Duffinian number.

4288669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288619) 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, 27772 + ... + 27925.

It is an arithmetic number, because the mean of its divisors is an integer number (668376).

Almost surely, 2^4288669 is an apocalyptic number.

It is an amenable number.

4288669 is a deficient number, since it is larger than the sum of its proper divisors (1058339).

4288669 is a wasteful number, since it uses less digits than its factorization.

4288669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55715.

The product of its digits is 165888, while the sum is 43.

The square root of 4288669 is about 2070.9101863673. The cubic root of 4288669 is about 162.4703725078.

The spelling of 4288669 in words is "four million, two hundred eighty-eight thousand, six hundred sixty-nine".