2880989 has 4 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 2729340.

The previous prime is 2880949. The next prime is 2880991. The reversal of 2880989 is 9890882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2880989 - 2⁸ = 2880733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2880949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75797 + ... + 75834.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

2^2880989 is an apocalyptic number.

It is an amenable number.

2880989 is a deficient number, since it is larger than the sum of its proper divisors (151651).

2880989 is a wasteful number, since it uses less digits than its factorization.

2880989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151650.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 2880989 is about 1697.3476367557. The cubic root of 2880989 is about 142.2920162763.

The spelling of 2880989 in words is "two million, eight hundred eighty thousand, nine hundred eighty-nine".