28602130 has 16 divisors (see below), whose sum is σ = 52190424. Its totient is φ = 11283840.

The previous prime is 28602113. The next prime is 28602157. The reversal of 28602130 is 3120682.

It can be written as a sum of positive squares in 4 ways, for example, as 27363361 + 1238769 = 5231^2 + 1113^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18861 + ... + 20320.

Almost surely, 2^28602130 is an apocalyptic number.

28602130 is a deficient number, since it is larger than the sum of its proper divisors (23588294).

28602130 is a wasteful number, since it uses less digits than its factorization.

28602130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39261.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28602130 is about 5348.0959228496. The cubic root of 28602130 is about 305.8201700157.

The spelling of 28602130 in words is "twenty-eight million, six hundred two thousand, one hundred thirty".