2985280 has 56 divisors (see below), whose sum is σ = 7498080. Its totient is φ = 1128960.

The previous prime is 2985263. The next prime is 2985287. The reversal of 2985280 is 825892.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5835 + ... + 6325.

2^2985280 is an apocalyptic number.

2985280 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 2985280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749040).

2985280 is an abundant number, since it is smaller than the sum of its proper divisors (4512800).

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

2985280 is a wasteful number, since it uses less digits than its factorization.

2985280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2985280 is about 1727.7962842882. The cubic root of 2985280 is about 143.9886822381.

The spelling of 2985280 in words is "two million, nine hundred eighty-five thousand, two hundred eighty".