2947408 has 20 divisors (see below), whose sum is σ = 5851188. Its totient is φ = 1437440.

The previous prime is 2947403. The next prime is 2947429. The reversal of 2947408 is 8047492.

It is a happy number.

2947408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 1236544 = 1308^2 + 1112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947403) 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, 1591 + ... + 2902.

2^2947408 is an apocalyptic number.

It is an amenable number.

2947408 is a deficient number, since it is larger than the sum of its proper divisors (2903780).

2947408 is a wasteful number, since it uses less digits than its factorization.

2947408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2947408 is about 1716.8016775388. The cubic root of 2947408 is about 143.3771970794.

The spelling of 2947408 in words is "two million, nine hundred forty-seven thousand, four hundred eight".