28536976 has 20 divisors (see below), whose sum is σ = 59543932. Its totient is φ = 13170816.

The previous prime is 28536973. The next prime is 28536979. The reversal of 28536976 is 67963582.

It is an interprime number because it is at equal distance from previous prime (28536973) and next prime (28536979).

It can be written as a sum of positive squares in 2 ways, for example, as 11397376 + 17139600 = 3376^2 + 4140^2 .

It is not an unprimeable number, because it can be changed into a prime (28536971) 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 3 ways as a sum of consecutive naturals, for example, 68391 + ... + 68806.

Almost surely, 2^28536976 is an apocalyptic number.

28536976 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28536976 is an abundant number, since it is smaller than the sum of its proper divisors (31006956).

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

28536976 is a wasteful number, since it uses less digits than its factorization.

28536976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137218 (or 137212 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 28536976 is about 5342.0011231747. The cubic root of 28536976 is about 305.5877799085.

The spelling of 28536976 in words is "twenty-eight million, five hundred thirty-six thousand, nine hundred seventy-six".