2942989 has 12 divisors (see below), whose sum is σ = 3625884. Its totient is φ = 2373504.

The previous prime is 2942981. The next prime is 2943001. The reversal of 2942989 is 9892492.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 592900 = 1533^2 + 770^2 .

It is not a de Polignac number, because 2942989 - 2³ = 2942981 is a prime.

It is a super-2 number, since 2×2942989² = 17322368508242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934 + ... + 2599.

It is an arithmetic number, because the mean of its divisors is an integer number (302157).

2^2942989 is an apocalyptic number.

It is an amenable number.

2942989 is a deficient number, since it is larger than the sum of its proper divisors (682895).

2942989 is a wasteful number, since it uses less digits than its factorization.

2942989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3557 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 2942989 is about 1715.5142086267. The cubic root of 2942989 is about 143.3055068871.

The spelling of 2942989 in words is "two million, nine hundred forty-two thousand, nine hundred eighty-nine".