28475412 has 24 divisors (see below), whose sum is σ = 75934656. Its totient is φ = 8135808.

The previous prime is 28475399. The next prime is 28475423. The reversal of 28475412 is 21457482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169413 + ... + 169580.

It is an arithmetic number, because the mean of its divisors is an integer number (3163944).

Almost surely, 2^28475412 is an apocalyptic number.

It is an amenable number.

28475412 is an abundant number, since it is smaller than the sum of its proper divisors (47459244).

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

28475412 is a wasteful number, since it uses less digits than its factorization.

28475412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339007 (or 339005 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 28475412 is about 5336.2357519135. The cubic root of 28475412 is about 305.3678693013.

The spelling of 28475412 in words is "twenty-eight million, four hundred seventy-five thousand, four hundred twelve".