28826469 has 32 divisors (see below), whose sum is σ = 49955840. Its totient is φ = 16084656.

The previous prime is 28826449. The next prime is 28826489. The reversal of 28826469 is 96462882.

It is an interprime number because it is at equal distance from previous prime (28826449) and next prime (28826489).

It is not a de Polignac number, because 28826469 - 2⁵ = 28826437 is a prime.

It is a super-2 number, since 2×28826469² = 1661930630015922, 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 (28826449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6354 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (1561120).

Almost surely, 2^28826469 is an apocalyptic number.

It is an amenable number.

28826469 is a deficient number, since it is larger than the sum of its proper divisors (21129371).

28826469 is a wasteful number, since it uses less digits than its factorization.

28826469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3600 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28826469 is about 5369.0286831046. The cubic root of 28826469 is about 306.6176490390.

The spelling of 28826469 in words is "twenty-eight million, eight hundred twenty-six thousand, four hundred sixty-nine".