28883403 has 6 divisors (see below), whose sum is σ = 41720484. Its totient is φ = 19255596.

The previous prime is 28883383. The next prime is 28883411. The reversal of 28883403 is 30438882.

It is a happy number.

It is not a de Polignac number, because 28883403 - 2⁶ = 28883339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28883443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1604625 + ... + 1604642.

It is an arithmetic number, because the mean of its divisors is an integer number (6953414).

Almost surely, 2^28883403 is an apocalyptic number.

28883403 is a deficient number, since it is larger than the sum of its proper divisors (12837081).

28883403 is a wasteful number, since it uses less digits than its factorization.

28883403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209273 (or 3209270 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 28883403 is about 5374.3281440567. The cubic root of 28883403 is about 306.8193790181.

The spelling of 28883403 in words is "twenty-eight million, eight hundred eighty-three thousand, four hundred three".