28279496 has 16 divisors (see below), whose sum is σ = 60599040. Its totient is φ = 12119760.

The previous prime is 28279469. The next prime is 28279499. The reversal of 28279496 is 69497282.

It is a self number, because there is not a number n which added to its sum of digits gives 28279496.

It is not an unprimeable number, because it can be changed into a prime (28279499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252440 + ... + 252551.

It is an arithmetic number, because the mean of its divisors is an integer number (3787440).

Almost surely, 2^28279496 is an apocalyptic number.

It is an amenable number.

28279496 is an abundant number, since it is smaller than the sum of its proper divisors (32319544).

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

28279496 is a wasteful number, since it uses less digits than its factorization.

28279496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505004 (or 505000 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 28279496 is about 5317.8469327351. The cubic root of 28279496 is about 304.6659282260.

The spelling of 28279496 in words is "twenty-eight million, two hundred seventy-nine thousand, four hundred ninety-six".