28846860 has 48 divisors (see below), whose sum is σ = 92311296. Its totient is φ = 6593472.

The previous prime is 28846859. The next prime is 28846877. The reversal of 28846860 is 6864882.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33922 + ... + 34761.

It is an arithmetic number, because the mean of its divisors is an integer number (1923152).

Almost surely, 2^28846860 is an apocalyptic number.

28846860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28846860 is an abundant number, since it is smaller than the sum of its proper divisors (63464436).

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

28846860 is a wasteful number, since it uses less digits than its factorization.

28846860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68702 (or 68700 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 28846860 is about 5370.9272942389. The cubic root of 28846860 is about 306.6899294472.

The spelling of 28846860 in words is "twenty-eight million, eight hundred forty-six thousand, eight hundred sixty".