2343978646 has 4 divisors (see below), whose sum is σ = 3515967972. Its totient is φ = 1171989322.

The previous prime is 2343978629. The next prime is 2343978661. The reversal of 2343978646 is 6468793432.

It is a happy number.

2343978646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2343978593 and 2343978602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585994660 + ... + 585994663.

It is an arithmetic number, because the mean of its divisors is an integer number (878991993).

Almost surely, 2^2343978646 is an apocalyptic number.

2343978646 is a deficient number, since it is larger than the sum of its proper divisors (1171989326).

2343978646 is a wasteful number, since it uses less digits than its factorization.

2343978646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171989325.

The product of its digits is 5225472, while the sum is 52.

The square root of 2343978646 is about 48414.6532157362. The cubic root of 2343978646 is about 1328.3664052081.

The spelling of 2343978646 in words is "two billion, three hundred forty-three million, nine hundred seventy-eight thousand, six hundred forty-six".