2908872 has 60 divisors (see below), whose sum is σ = 8270955. Its totient is φ = 955152.

The previous prime is 2908861. The next prime is 2908889. The reversal of 2908872 is 2788092.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1454436 + 1454436 = 1206^2 + 1206^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1206.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 43383 + ... + 43449.

2^2908872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2908872

2908872 is an abundant number, since it is smaller than the sum of its proper divisors (5362083).

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

2908872 is an equidigital number, since it uses as much as digits as its factorization.

2908872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2908872 is about 1705.5415562220. The cubic root of 2908872 is about 142.7495902855.

The spelling of 2908872 in words is "two million, nine hundred eight thousand, eight hundred seventy-two".