28248364 has 24 divisors (see below), whose sum is σ = 53025840. Its totient is φ = 13126464.

The previous prime is 28248361. The next prime is 28248379. The reversal of 28248364 is 46384282.

It is not an unprimeable number, because it can be changed into a prime (28248361) 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, 522 + ... + 7534.

It is an arithmetic number, because the mean of its divisors is an integer number (2209410).

Almost surely, 2^28248364 is an apocalyptic number.

It is an amenable number.

28248364 is a deficient number, since it is larger than the sum of its proper divisors (24777476).

28248364 is a wasteful number, since it uses less digits than its factorization.

28248364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089 (or 7087 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 28248364 is about 5314.9190022050. The cubic root of 28248364 is about 304.5540881572.

The spelling of 28248364 in words is "twenty-eight million, two hundred forty-eight thousand, three hundred sixty-four".