2947772 has 18 divisors (see below), whose sum is σ = 5413128. Its totient is φ = 1401928.

The previous prime is 2947741. The next prime is 2947781. The reversal of 2947772 is 2777492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16379 + ... + 16557.

2^2947772 is an apocalyptic number.

It is an amenable number.

2947772 is a deficient number, since it is larger than the sum of its proper divisors (2465356).

2947772 is a wasteful number, since it uses less digits than its factorization.

2947772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 204 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 2947772 is about 1716.9076853460. The cubic root of 2947772 is about 143.3830991184.

The spelling of 2947772 in words is "two million, nine hundred forty-seven thousand, seven hundred seventy-two".