28002814 has 24 divisors (see below), whose sum is σ = 49494240. Its totient is φ = 11846016.

The previous prime is 28002811. The next prime is 28002817. The reversal of 28002814 is 41820082.

It is an interprime number because it is at equal distance from previous prime (28002811) and next prime (28002817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28002811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5934 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (2062260).

Almost surely, 2^28002814 is an apocalyptic number.

28002814 is a deficient number, since it is larger than the sum of its proper divisors (21491426).

28002814 is a wasteful number, since it uses less digits than its factorization.

28002814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 28002814 is about 5291.7685134556. The cubic root of 28002814 is about 303.6690694199.

Adding to 28002814 its reverse (41820082), we get a palindrome (69822896).

The spelling of 28002814 in words is "twenty-eight million, two thousand, eight hundred fourteen".