2947643348 has 24 divisors (see below), whose sum is σ = 5631279528. Its totient is φ = 1341812736.

The previous prime is 2947643341. The next prime is 2947643357. The reversal of 2947643348 is 8433467492.

It can be written as a sum of positive squares in 4 ways, for example, as 627101764 + 2320541584 = 25042^2 + 48172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2947643296 and 2947643305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947643341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384461 + ... + 392052.

It is an arithmetic number, because the mean of its divisors is an integer number (234636647).

Almost surely, 2^2947643348 is an apocalyptic number.

It is an amenable number.

2947643348 is a deficient number, since it is larger than the sum of its proper divisors (2683636180).

2947643348 is a wasteful number, since it uses less digits than its factorization.

2947643348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776603 (or 776601 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 50.

The square root of 2947643348 is about 54292.2033813328. The cubic root of 2947643348 is about 1433.8101315984.

The spelling of 2947643348 in words is "two billion, nine hundred forty-seven million, six hundred forty-three thousand, three hundred forty-eight".