28965048 has 32 divisors (see below), whose sum is σ = 82757760. Its totient is φ = 8275680.

The previous prime is 28965037. The next prime is 28965061. The reversal of 28965048 is 84056982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86038 + ... + 86373.

It is an arithmetic number, because the mean of its divisors is an integer number (2586180).

Almost surely, 2^28965048 is an apocalyptic number.

28965048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28965048 is an abundant number, since it is smaller than the sum of its proper divisors (53792712).

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

28965048 is a wasteful number, since it uses less digits than its factorization.

28965048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172427 (or 172423 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28965048 is about 5381.9186169990. The cubic root of 28965048 is about 307.1082035023.

The spelling of 28965048 in words is "twenty-eight million, nine hundred sixty-five thousand, forty-eight".