2889946 has 4 divisors (see below), whose sum is σ = 4334922. Its totient is φ = 1444972.

The previous prime is 2889923. The next prime is 2889947. The reversal of 2889946 is 6499882.

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

It can be written as a sum of positive squares in only one way, i.e., 1476225 + 1413721 = 1215^2 + 1189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2889896 and 2889905.

It is not an unprimeable number, because it can be changed into a prime (2889947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722485 + ... + 722488.

2^2889946 is an apocalyptic number.

2889946 is a deficient number, since it is larger than the sum of its proper divisors (1444976).

2889946 is a wasteful number, since it uses less digits than its factorization.

2889946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444975.

The product of its digits is 248832, while the sum is 46.

The square root of 2889946 is about 1699.9841175729. The cubic root of 2889946 is about 142.4393257649.

The spelling of 2889946 in words is "two million, eight hundred eighty-nine thousand, nine hundred forty-six".