28486968 has 32 divisors (see below), whose sum is σ = 75407760. Its totient is φ = 8936960.

The previous prime is 28486967. The next prime is 28486973. The reversal of 28486968 is 86968482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 28486968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28486967) 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 7 ways as a sum of consecutive naturals, for example, 34503 + ... + 35318.

Almost surely, 2^28486968 is an apocalyptic number.

It is an amenable number.

28486968 is an abundant number, since it is smaller than the sum of its proper divisors (46920792).

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

28486968 is a wasteful number, since it uses less digits than its factorization.

28486968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69847 (or 69843 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 28486968 is about 5337.3184278250. The cubic root of 28486968 is about 305.4091722313.

The spelling of 28486968 in words is "twenty-eight million, four hundred eighty-six thousand, nine hundred sixty-eight".