2946989 has 4 divisors (see below), whose sum is σ = 2952156. Its totient is φ = 2941824.

The previous prime is 2946973. The next prime is 2947027. The reversal of 2946989 is 9896492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198025 + 2748964 = 445^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 2946989 - 2⁴ = 2946973 is a prime.

It is a super-2 number, since 2×2946989² = 17369488332242, 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 (2946929) 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, 1604 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (738039).

2^2946989 is an apocalyptic number.

It is an amenable number.

2946989 is a deficient number, since it is larger than the sum of its proper divisors (5167).

2946989 is an equidigital number, since it uses as much as digits as its factorization.

2946989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166.

The product of its digits is 279936, while the sum is 47.

The square root of 2946989 is about 1716.6796439639. The cubic root of 2946989 is about 143.3704026470.

The spelling of 2946989 in words is "two million, nine hundred forty-six thousand, nine hundred eighty-nine".