28002956 has 6 divisors (see below), whose sum is σ = 49005180. Its totient is φ = 14001476.

The previous prime is 28002907. The next prime is 28002971. The reversal of 28002956 is 65920082.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500366 + ... + 3500373.

It is an arithmetic number, because the mean of its divisors is an integer number (8167530).

Almost surely, 2^28002956 is an apocalyptic number.

It is an amenable number.

28002956 is a deficient number, since it is larger than the sum of its proper divisors (21002224).

28002956 is a wasteful number, since it uses less digits than its factorization.

28002956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000743 (or 7000741 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 28002956 is about 5291.7819305032. The cubic root of 28002956 is about 303.6695827127.

The spelling of 28002956 in words is "twenty-eight million, two thousand, nine hundred fifty-six".