2947446 has 24 divisors (see below), whose sum is σ = 6417840. Its totient is φ = 977616.

The previous prime is 2947429. The next prime is 2947447. The reversal of 2947446 is 6447492.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2947446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6495 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (267410).

2^2947446 is an apocalyptic number.

2947446 is an abundant number, since it is smaller than the sum of its proper divisors (3470394).

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

2947446 is a wasteful number, since it uses less digits than its factorization.

2947446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 817 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2947446 is about 1716.8127445939. The cubic root of 2947446 is about 143.3778132490.

The spelling of 2947446 in words is "two million, nine hundred forty-seven thousand, four hundred forty-six".