28983475 has 6 divisors (see below), whose sum is σ = 35939540. Its totient is φ = 23186760.

The previous prime is 28983467. The next prime is 28983491. The reversal of 28983475 is 57438982.

It is not a de Polignac number, because 28983475 - 2³ = 28983467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 579645 + ... + 579694.

Almost surely, 2^28983475 is an apocalyptic number.

28983475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28983475 is a deficient number, since it is larger than the sum of its proper divisors (6956065).

28983475 is a wasteful number, since it uses less digits than its factorization.

28983475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159349 (or 1159344 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 28983475 is about 5383.6302807678. The cubic root of 28983475 is about 307.1733151180.

It can be divided in two parts, 28 and 983475, that added together give a triangular number (983503 = T₁₄₀₂).

The spelling of 28983475 in words is "twenty-eight million, nine hundred eighty-three thousand, four hundred seventy-five".