2886920 has 16 divisors (see below), whose sum is σ = 6495660. Its totient is φ = 1154752.

The previous prime is 2886911. The next prime is 2886941. The reversal of 2886920 is 296882.

It can be written as a sum of positive squares in 2 ways, for example, as 2630884 + 256036 = 1622^2 + 506^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36047 + ... + 36126.

2^2886920 is an apocalyptic number.

2886920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2886920 is an abundant number, since it is smaller than the sum of its proper divisors (3608740).

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

2886920 is a wasteful number, since it uses less digits than its factorization.

2886920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72184 (or 72180 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2886920 is about 1699.0938761587. The cubic root of 2886920 is about 142.3895933564.

The spelling of 2886920 in words is "two million, eight hundred eighty-six thousand, nine hundred twenty".