28676508 has 48 divisors (see below), whose sum is σ = 76737024. Its totient is φ = 8164800.

The previous prime is 28676503. The next prime is 28676509. The reversal of 28676508 is 80567682.

It is a super-2 number, since 2×28676508² = 1644684222148128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 28676508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28676503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40558 + ... + 41258.

It is an arithmetic number, because the mean of its divisors is an integer number (1598688).

Almost surely, 2^28676508 is an apocalyptic number.

28676508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28676508 is an abundant number, since it is smaller than the sum of its proper divisors (48060516).

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

28676508 is a wasteful number, since it uses less digits than its factorization.

28676508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 28676508 is about 5355.0450978493. The cubic root of 28676508 is about 306.0850291280.

The spelling of 28676508 in words is "twenty-eight million, six hundred seventy-six thousand, five hundred eight".