28294896 has 40 divisors (see below), whose sum is σ = 83538304. Its totient is φ = 8084160.

The previous prime is 28294859. The next prime is 28294901. The reversal of 28294896 is 69849282.

It is a super-2 number, since 2×28294896² = 1601202279301632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41770 + ... + 42441.

Almost surely, 2^28294896 is an apocalyptic number.

It is an amenable number.

28294896 is an abundant number, since it is smaller than the sum of its proper divisors (55243408).

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

28294896 is a wasteful number, since it uses less digits than its factorization.

28294896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84229 (or 84223 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 28294896 is about 5319.2946900882. The cubic root of 28294896 is about 304.7212215721.

The spelling of 28294896 in words is "twenty-eight million, two hundred ninety-four thousand, eight hundred ninety-six".