2891480 has 16 divisors (see below), whose sum is σ = 6505920. Its totient is φ = 1156576.

The previous prime is 2891459. The next prime is 2891489. The reversal of 2891480 is 841982.

It is a happy number.

2891480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891489) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36104 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (406620).

2^2891480 is an apocalyptic number.

2891480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2891480 is an abundant number, since it is smaller than the sum of its proper divisors (3614440).

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

2891480 is a wasteful number, since it uses less digits than its factorization.

2891480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72298 (or 72294 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2891480 is about 1700.4352384022. The cubic root of 2891480 is about 142.4645238455.

The spelling of 2891480 in words is "two million, eight hundred ninety-one thousand, four hundred eighty".