28114669 has 8 divisors (see below), whose sum is σ = 30784608. Its totient is φ = 25463760.

The previous prime is 28114657. The next prime is 28114679. The reversal of 28114669 is 96641182.

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 28114669 - 2⁵ = 28114637 is a prime.

It is a super-2 number, since 2×28114669² = 1580869225959122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114609) 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, 1567 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (3848076).

Almost surely, 2^28114669 is an apocalyptic number.

It is an amenable number.

28114669 is a deficient number, since it is larger than the sum of its proper divisors (2669939).

28114669 is a wasteful number, since it uses less digits than its factorization.

28114669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9515.

The product of its digits is 20736, while the sum is 37.

The square root of 28114669 is about 5302.3267534168. The cubic root of 28114669 is about 304.0728595274.

The spelling of 28114669 in words is "twenty-eight million, one hundred fourteen thousand, six hundred sixty-nine".