28241968 has 10 divisors (see below), whose sum is σ = 54718844. Its totient is φ = 14120976.

The previous prime is 28241959. The next prime is 28242001. The reversal of 28241968 is 86914282.

It is a self number, because there is not a number n which added to its sum of digits gives 28241968.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882546 + ... + 882577.

Almost surely, 2^28241968 is an apocalyptic number.

It is an amenable number.

28241968 is a deficient number, since it is larger than the sum of its proper divisors (26476876).

28241968 is a wasteful number, since it uses less digits than its factorization.

28241968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765131 (or 1765125 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 28241968 is about 5314.3172656513. The cubic root of 28241968 is about 304.5311006905.

The spelling of 28241968 in words is "twenty-eight million, two hundred forty-one thousand, nine hundred sixty-eight".