28910276 has 12 divisors (see below), whose sum is σ = 51769872. Its totient is φ = 14118888.

The previous prime is 28910261. The next prime is 28910291. The reversal of 28910276 is 67201982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28910261) and next prime (28910291).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83870 + ... + 84213.

It is an arithmetic number, because the mean of its divisors is an integer number (4314156).

Almost surely, 2^28910276 is an apocalyptic number.

It is an amenable number.

28910276 is a deficient number, since it is larger than the sum of its proper divisors (22859596).

28910276 is a wasteful number, since it uses less digits than its factorization.

28910276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168130 (or 168128 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 28910276 is about 5376.8276892606. The cubic root of 28910276 is about 306.9145040213.

The spelling of 28910276 in words is "twenty-eight million, nine hundred ten thousand, two hundred seventy-six".