28334472 has 32 divisors (see below), whose sum is σ = 74565600. Its totient is φ = 8947584.

The previous prime is 28334429. The next prime is 28334473. The reversal of 28334472 is 27443382.

It is not an unprimeable number, because it can be changed into a prime (28334473) 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, 30613 + ... + 31524.

It is an arithmetic number, because the mean of its divisors is an integer number (2330175).

Almost surely, 2^28334472 is an apocalyptic number.

It is an amenable number.

28334472 is an abundant number, since it is smaller than the sum of its proper divisors (46231128).

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

28334472 is a wasteful number, since it uses less digits than its factorization.

28334472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62165 (or 62161 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 28334472 is about 5323.0134322581. The cubic root of 28334472 is about 304.8632263213.

The spelling of 28334472 in words is "twenty-eight million, three hundred thirty-four thousand, four hundred seventy-two".