28596980 has 12 divisors (see below), whose sum is σ = 60053700. Its totient is φ = 11438784.

The previous prime is 28596977. The next prime is 28596989. The reversal of 28596980 is 8969582.

It can be written as a sum of positive squares in 2 ways, for example, as 12931216 + 15665764 = 3596^2 + 3958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28596989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714905 + ... + 714944.

It is an arithmetic number, because the mean of its divisors is an integer number (5004475).

Almost surely, 2^28596980 is an apocalyptic number.

28596980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28596980 is an abundant number, since it is smaller than the sum of its proper divisors (31456720).

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

28596980 is a wasteful number, since it uses less digits than its factorization.

28596980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429858 (or 1429856 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 28596980 is about 5347.6144214032. The cubic root of 28596980 is about 305.8018139421.

The spelling of 28596980 in words is "twenty-eight million, five hundred ninety-six thousand, nine hundred eighty".