28581296 has 10 divisors (see below), whose sum is σ = 55376292. Its totient is φ = 14290640.

The previous prime is 28581281. The next prime is 28581313. The reversal of 28581296 is 69218582.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 893150 + ... + 893181.

Almost surely, 2^28581296 is an apocalyptic number.

It is an amenable number.

28581296 is a deficient number, since it is larger than the sum of its proper divisors (26794996).

28581296 is a wasteful number, since it uses less digits than its factorization.

28581296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786339 (or 1786333 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 28581296 is about 5346.1477719943. The cubic root of 28581296 is about 305.7458980990.

The spelling of 28581296 in words is "twenty-eight million, five hundred eighty-one thousand, two hundred ninety-six".