28433612 has 24 divisors (see below), whose sum is σ = 53331936. Its totient is φ = 13229568.

The previous prime is 28433609. The next prime is 28433617. The reversal of 28433612 is 21633482.

It is not an unprimeable number, because it can be changed into a prime (28433617) 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, 773 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (2222164).

Almost surely, 2^28433612 is an apocalyptic number.

It is an amenable number.

28433612 is a deficient number, since it is larger than the sum of its proper divisors (24898324).

28433612 is a wasteful number, since it uses less digits than its factorization.

28433612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8417 (or 8415 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 28433612 is about 5332.3176949615. The cubic root of 28433612 is about 305.2183762605.

The spelling of 28433612 in words is "twenty-eight million, four hundred thirty-three thousand, six hundred twelve".