28294808 has 8 divisors (see below), whose sum is σ = 53052780. Its totient is φ = 14147400.

The previous prime is 28294787. The next prime is 28294811. The reversal of 28294808 is 80849282.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768418 + ... + 1768433.

Almost surely, 2^28294808 is an apocalyptic number.

It is an amenable number.

28294808 is a deficient number, since it is larger than the sum of its proper divisors (24757972).

28294808 is a wasteful number, since it uses less digits than its factorization.

28294808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536857 (or 3536853 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 28294808 is about 5319.2864183084. The cubic root of 28294808 is about 304.7209056671.

The spelling of 28294808 in words is "twenty-eight million, two hundred ninety-four thousand, eight hundred eight".