28600029 has 12 divisors (see below), whose sum is σ = 41365116. Its totient is φ = 19041792.

The previous prime is 28600021. The next prime is 28600037. The reversal of 28600029 is 92000682.

It is an interprime number because it is at equal distance from previous prime (28600021) and next prime (28600037).

It can be written as a sum of positive squares in 2 ways, for example, as 14424804 + 14175225 = 3798^2 + 3765^2 .

It is not a de Polignac number, because 28600029 - 2³ = 28600021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28599975 and 28600011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600021) 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, 7549 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (3447093).

Almost surely, 2^28600029 is an apocalyptic number.

It is an amenable number.

28600029 is a deficient number, since it is larger than the sum of its proper divisors (12765087).

28600029 is a wasteful number, since it uses less digits than its factorization.

28600029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156 (or 4153 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 28600029 is about 5347.8994941940. The cubic root of 28600029 is about 305.8126817167.

The spelling of 28600029 in words is "twenty-eight million, six hundred thousand, twenty-nine".