2945660 has 12 divisors (see below), whose sum is σ = 6185928. Its totient is φ = 1178256.

The previous prime is 2945659. The next prime is 2945669. The reversal of 2945660 is 665492.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945669) 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, 73622 + ... + 73661.

It is an arithmetic number, because the mean of its divisors is an integer number (515494).

2^2945660 is an apocalyptic number.

2945660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2945660 is an abundant number, since it is smaller than the sum of its proper divisors (3240268).

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

2945660 is a wasteful number, since it uses less digits than its factorization.

2945660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147292 (or 147290 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2945660 is about 1716.2925158609. The cubic root of 2945660 is about 143.3488475485.

The spelling of 2945660 in words is "two million, nine hundred forty-five thousand, six hundred sixty".