28002076 has 6 divisors (see below), whose sum is σ = 49003640. Its totient is φ = 14001036.

The previous prime is 28002071. The next prime is 28002097. The reversal of 28002076 is 67020082.

It is a self number, because there is not a number n which added to its sum of digits gives 28002076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28002071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500256 + ... + 3500263.

Almost surely, 2^28002076 is an apocalyptic number.

It is an amenable number.

28002076 is a deficient number, since it is larger than the sum of its proper divisors (21001564).

28002076 is a wasteful number, since it uses less digits than its factorization.

28002076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000523 (or 7000521 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 28002076 is about 5291.6987820548. The cubic root of 28002076 is about 303.6664017148. Note that the first 3 decimals are identical.

The spelling of 28002076 in words is "twenty-eight million, two thousand, seventy-six".