28602501 has 24 divisors (see below), whose sum is σ = 40612320. Its totient is φ = 17900256.

The previous prime is 28602499. The next prime is 28602521. The reversal of 28602501 is 10520682.

It is not a de Polignac number, because 28602501 - 2¹ = 28602499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28602521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106195 + ... + 106463.

It is an arithmetic number, because the mean of its divisors is an integer number (1692180).

Almost surely, 2^28602501 is an apocalyptic number.

It is an amenable number.

28602501 is a deficient number, since it is larger than the sum of its proper divisors (12009819).

28602501 is a wasteful number, since it uses less digits than its factorization.

28602501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 28602501 is about 5348.1306079788. The cubic root of 28602501 is about 305.8214922808.

The spelling of 28602501 in words is "twenty-eight million, six hundred two thousand, five hundred one".