2947472 has 20 divisors (see below), whose sum is σ = 6230256. Its totient is φ = 1339680.

The previous prime is 2947471. The next prime is 2947487. The reversal of 2947472 is 2747492.

It is a happy number.

2947472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2947471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8198 + ... + 8549.

2^2947472 is an apocalyptic number.

2947472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2947472 is an abundant number, since it is smaller than the sum of its proper divisors (3282784).

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

2947472 is a wasteful number, since it uses less digits than its factorization.

2947472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16766 (or 16760 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 2947472 is about 1716.8203167484. The cubic root of 2947472 is about 143.3782348357.

The spelling of 2947472 in words is "two million, nine hundred forty-seven thousand, four hundred seventy-two".