2946789 has 6 divisors (see below), whose sum is σ = 4256486. Its totient is φ = 1964520.

The previous prime is 2946761. The next prime is 2946799. The reversal of 2946789 is 9876492.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1542564 + 1404225 = 1242^2 + 1185^2 .

It is not a de Polignac number, because 2946789 - 2⁸ = 2946533 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 (2946799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163702 + ... + 163719.

2^2946789 is an apocalyptic number.

It is an amenable number.

2946789 is a deficient number, since it is larger than the sum of its proper divisors (1309697).

2946789 is a wasteful number, since it uses less digits than its factorization.

2946789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327427 (or 327424 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2946789 is about 1716.6213909887. The cubic root of 2946789 is about 143.3671592542.

The spelling of 2946789 in words is "two million, nine hundred forty-six thousand, seven hundred eighty-nine".