2881506 has 16 divisors (see below), whose sum is σ = 5786784. Its totient is φ = 956544.

The previous prime is 2881499. The next prime is 2881513. The reversal of 2881506 is 6051882.

It is an interprime number because it is at equal distance from previous prime (2881499) and next prime (2881513).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850 + ... + 2546.

It is an arithmetic number, because the mean of its divisors is an integer number (361674).

2^2881506 is an apocalyptic number.

It is a pronic number, being equal to 1697×1698.

2881506 is an abundant number, since it is smaller than the sum of its proper divisors (2905278).

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

2881506 is a wasteful number, since it uses less digits than its factorization.

2881506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2881506 is about 1697.4999263623. The cubic root of 2881506 is about 142.3005273087.

The spelling of 2881506 in words is "two million, eight hundred eighty-one thousand, five hundred six".