28433208 has 32 divisors (see below), whose sum is σ = 72061200. Its totient is φ = 9347328.

The previous prime is 28433203. The next prime is 28433239. The reversal of 28433208 is 80233482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28433203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6363 + ... + 9866.

Almost surely, 2^28433208 is an apocalyptic number.

It is an amenable number.

28433208 is an abundant number, since it is smaller than the sum of its proper divisors (43627992).

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

28433208 is a wasteful number, since it uses less digits than its factorization.

28433208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16311 (or 16307 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28433208 is about 5332.2798126130. The cubic root of 28433208 is about 305.2169306849.

The spelling of 28433208 in words is "twenty-eight million, four hundred thirty-three thousand, two hundred eight".