2947966 has 32 divisors (see below), whose sum is σ = 5365440. Its totient is φ = 1188096.

The previous prime is 2947949. The next prime is 2947999. The reversal of 2947966 is 6697492.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21450 + ... + 21586.

It is an arithmetic number, because the mean of its divisors is an integer number (167670).

2^2947966 is an apocalyptic number.

2947966 is a deficient number, since it is larger than the sum of its proper divisors (2417474).

2947966 is a wasteful number, since it uses less digits than its factorization.

2947966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its digits is 163296, while the sum is 43.

The square root of 2947966 is about 1716.9641813387. The cubic root of 2947966 is about 143.3862445122.

The spelling of 2947966 in words is "two million, nine hundred forty-seven thousand, nine hundred sixty-six".