28433466 has 12 divisors (see below), whose sum is σ = 61605882. Its totient is φ = 9477816.

The previous prime is 28433437. The next prime is 28433473. The reversal of 28433466 is 66433482.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28355625 + 77841 = 5325^2 + 279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28433466.

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, 789801 + ... + 789836.

Almost surely, 2^28433466 is an apocalyptic number.

28433466 is an abundant number, since it is smaller than the sum of its proper divisors (33172416).

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

28433466 is a wasteful number, since it uses less digits than its factorization.

28433466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579645 (or 1579642 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 28433466 is about 5332.3040048369. The cubic root of 28433466 is about 305.2178538511.

The spelling of 28433466 in words is "twenty-eight million, four hundred thirty-three thousand, four hundred sixty-six".