28966452 has 12 divisors (see below), whose sum is σ = 67588416. Its totient is φ = 9655480.

The previous prime is 28966417. The next prime is 28966471. The reversal of 28966452 is 25466982.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1206924 + ... + 1206947.

It is an arithmetic number, because the mean of its divisors is an integer number (5632368).

Almost surely, 2^28966452 is an apocalyptic number.

It is an amenable number.

28966452 is an abundant number, since it is smaller than the sum of its proper divisors (38621964).

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

28966452 is a wasteful number, since it uses less digits than its factorization.

28966452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413878 (or 2413876 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 28966452 is about 5382.0490521733. The cubic root of 28966452 is about 307.1131654936.

The spelling of 28966452 in words is "twenty-eight million, nine hundred sixty-six thousand, four hundred fifty-two".