28570002 has 16 divisors (see below), whose sum is σ = 59624640. Its totient is φ = 9109232.

The previous prime is 28570001. The next prime is 28570007. The reversal of 28570002 is 20007582.

It is not an unprimeable number, because it can be changed into a prime (28570001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103377 + ... + 103652.

It is an arithmetic number, because the mean of its divisors is an integer number (3726540).

Almost surely, 2^28570002 is an apocalyptic number.

28570002 is an abundant number, since it is smaller than the sum of its proper divisors (31054638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28570002 is a wasteful number, since it uses less digits than its factorization.

28570002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207057.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 28570002 is about 5345.0913930447. The cubic root of 28570002 is about 305.7056206030.

Adding to 28570002 its reverse (20007582), we get a palindrome (48577584).

The spelling of 28570002 in words is "twenty-eight million, five hundred seventy thousand, two".