28973466 has 24 divisors (see below), whose sum is σ = 63401364. Its totient is φ = 9561600.

The previous prime is 28973411. The next prime is 28973489. The reversal of 28973466 is 66437982.

It can be written as a sum of positive squares in 2 ways, for example, as 24651225 + 4322241 = 4965^2 + 2079^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6151 + ... + 9786.

Almost surely, 2^28973466 is an apocalyptic number.

28973466 is an abundant number, since it is smaller than the sum of its proper divisors (34427898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28973466 is a wasteful number, since it uses less digits than its factorization.

28973466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16046 (or 16043 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 28973466 is about 5382.7006232931. The cubic root of 28973466 is about 307.1379518442.

The spelling of 28973466 in words is "twenty-eight million, nine hundred seventy-three thousand, four hundred sixty-six".