2923989 has 8 divisors (see below), whose sum is σ = 3935520. Its totient is φ = 1930896.

The previous prime is 2923969. The next prime is 2924021. The reversal of 2923989 is 9893292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2923989 - 2⁹ = 2923477 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2923989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4234 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (491940).

2^2923989 is an apocalyptic number.

It is an amenable number.

2923989 is a deficient number, since it is larger than the sum of its proper divisors (1011531).

2923989 is a wasteful number, since it uses less digits than its factorization.

2923989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219.

The product of its digits is 69984, while the sum is 42.

The square root of 2923989 is about 1709.9675435516. The cubic root of 2923989 is about 142.9964463557.

The spelling of 2923989 in words is "two million, nine hundred twenty-three thousand, nine hundred eighty-nine".