2881332 has 30 divisors (see below), whose sum is σ = 7533218. Its totient is φ = 960336.

The previous prime is 2881327. The next prime is 2881337. The reversal of 2881332 is 2331882.

It is an interprime number because it is at equal distance from previous prime (2881327) and next prime (2881337).

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 910116 = 1404^2 + 954^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2881296 and 2881305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881337) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4123 + ... + 4770.

2^2881332 is an apocalyptic number.

It is an amenable number.

2881332 is an abundant number, since it is smaller than the sum of its proper divisors (4651886).

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

2881332 is a wasteful number, since it uses less digits than its factorization.

2881332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909 (or 8898 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2881332 is about 1697.4486737454. The cubic root of 2881332 is about 142.2976629743.

The spelling of 2881332 in words is "two million, eight hundred eighty-one thousand, three hundred thirty-two".