2946728 has 16 divisors (see below), whose sum is σ = 5546580. Its totient is φ = 1467648.

The previous prime is 2946683. The next prime is 2946743. The reversal of 2946728 is 8276492.

It can be written as a sum of positive squares in 2 ways, for example, as 2815684 + 131044 = 1678^2 + 362^2 .

It is a d-powerful number, because it can be written as 2¹³ + 9³ + 4⁷ + 6³ + 7⁷ + 2²¹ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 2946691 and 2946700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150 + ... + 3242.

2^2946728 is an apocalyptic number.

It is an amenable number.

2946728 is a deficient number, since it is larger than the sum of its proper divisors (2599852).

2946728 is a wasteful number, since it uses less digits than its factorization.

2946728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1432 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 2946728 is about 1716.6036234379. The cubic root of 2946728 is about 143.3661699901.

The spelling of 2946728 in words is "two million, nine hundred forty-six thousand, seven hundred twenty-eight".