2946920 has 16 divisors (see below), whose sum is σ = 6630660. Its totient is φ = 1178752.

The previous prime is 2946913. The next prime is 2946929. The reversal of 2946920 is 296492.

It can be written as a sum of positive squares in 2 ways, for example, as 2869636 + 77284 = 1694^2 + 278^2 .

It is not an unprimeable number, because it can be changed into a prime (2946929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36797 + ... + 36876.

2^2946920 is an apocalyptic number.

2946920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2946920 is an abundant number, since it is smaller than the sum of its proper divisors (3683740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2946920 is a wasteful number, since it uses less digits than its factorization.

2946920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73684 (or 73680 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2946920 is about 1716.6595469108. The cubic root of 2946920 is about 143.3692836931.

The spelling of 2946920 in words is "two million, nine hundred forty-six thousand, nine hundred twenty".