28254892 has 6 divisors (see below), whose sum is σ = 49446068. Its totient is φ = 14127444.

The previous prime is 28254847. The next prime is 28254893. The reversal of 28254892 is 29845282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28254893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3531858 + ... + 3531865.

Almost surely, 2^28254892 is an apocalyptic number.

It is an amenable number.

28254892 is a deficient number, since it is larger than the sum of its proper divisors (21191176).

28254892 is a wasteful number, since it uses less digits than its factorization.

28254892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063727 (or 7063725 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 28254892 is about 5315.5330870948. The cubic root of 28254892 is about 304.5775464592.

The spelling of 28254892 in words is "twenty-eight million, two hundred fifty-four thousand, eight hundred ninety-two".