28446966 has 12 divisors (see below), whose sum is σ = 61635132. Its totient is φ = 9482316.

The previous prime is 28446961. The next prime is 28446973. The reversal of 28446966 is 66964482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28446961) 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, 790176 + ... + 790211.

It is an arithmetic number, because the mean of its divisors is an integer number (5136261).

Almost surely, 2^28446966 is an apocalyptic number.

28446966 is an abundant number, since it is smaller than the sum of its proper divisors (33188166).

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

28446966 is a wasteful number, since it uses less digits than its factorization.

28446966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580395 (or 1580392 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 28446966 is about 5333.5697239279. The cubic root of 28446966 is about 305.2661512703.

The spelling of 28446966 in words is "twenty-eight million, four hundred forty-six thousand, nine hundred sixty-six".