28076290 has 16 divisors (see below), whose sum is σ = 55131840. Its totient is φ = 10209520.

The previous prime is 28076239. The next prime is 28076309. The reversal of 28076290 is 9267082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127510 + ... + 127729.

It is an arithmetic number, because the mean of its divisors is an integer number (3445740).

Almost surely, 2^28076290 is an apocalyptic number.

28076290 is a deficient number, since it is larger than the sum of its proper divisors (27055550).

28076290 is a wasteful number, since it uses less digits than its factorization.

28076290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255257.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 28076290 is about 5298.7064459168. The cubic root of 28076290 is about 303.9344344404.

The spelling of 28076290 in words is "twenty-eight million, seventy-six thousand, two hundred ninety".