2946688 has 16 divisors (see below), whose sum is σ = 5870610. Its totient is φ = 1473280.

The previous prime is 2946683. The next prime is 2946743. The reversal of 2946688 is 8866492.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2849344 + 97344 = 1688^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2946683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11383 + ... + 11638.

2^2946688 is an apocalyptic number.

It is an amenable number.

2946688 is a deficient number, since it is larger than the sum of its proper divisors (2923922).

2946688 is an equidigital number, since it uses as much as digits as its factorization.

2946688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23035 (or 23023 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 2946688 is about 1716.5919724850. The cubic root of 2946688 is about 143.3655212850.

It can be divided in two parts, 2 and 946688, that multiplied together give a square (1893376 = 1376²).

The spelling of 2946688 in words is "two million, nine hundred forty-six thousand, six hundred eighty-eight".