28869038 has 8 divisors (see below), whose sum is σ = 47240280. Its totient is φ = 13122280.

The previous prime is 28869023. The next prime is 28869053. The reversal of 28869038 is 83096882.

It is an interprime number because it is at equal distance from previous prime (28869023) and next prime (28869053).

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

It is a self number, because there is not a number n which added to its sum of digits gives 28869038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656093 + ... + 656136.

It is an arithmetic number, because the mean of its divisors is an integer number (5905035).

Almost surely, 2^28869038 is an apocalyptic number.

28869038 is a deficient number, since it is larger than the sum of its proper divisors (18371242).

28869038 is a wasteful number, since it uses less digits than its factorization.

28869038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312242.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 28869038 is about 5372.9915317261. The cubic root of 28869038 is about 306.7685056122.

The spelling of 28869038 in words is "twenty-eight million, eight hundred sixty-nine thousand, thirty-eight".