28996260 has 48 divisors (see below), whose sum is σ = 82412736. Its totient is φ = 7615872.

The previous prime is 28996249. The next prime is 28996309. The reversal of 28996260 is 6269982.

It is an unprimeable number.

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, 414 + ... + 7626.

It is an arithmetic number, because the mean of its divisors is an integer number (1716932).

Almost surely, 2^28996260 is an apocalyptic number.

28996260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28996260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41206368).

28996260 is an abundant number, since it is smaller than the sum of its proper divisors (53416476).

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

28996260 is a wasteful number, since it uses less digits than its factorization.

28996260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292 (or 7290 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 28996260 is about 5384.8175456556. The cubic root of 28996260 is about 307.2184745698.

The spelling of 28996260 in words is "twenty-eight million, nine hundred ninety-six thousand, two hundred sixty".