2347856340 has 48 divisors (see below), whose sum is σ = 6613391232. Its totient is φ = 622343296.

The previous prime is 2347856323. The next prime is 2347856359. The reversal of 2347856340 is 436587432.

It is a junction number, because it is equal to n+sod(n) for n = 2347856292 and 2347856301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107139 + ... + 127178.

It is an arithmetic number, because the mean of its divisors is an integer number (137778984).

Almost surely, 2^2347856340 is an apocalyptic number.

2347856340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2347856340 is an abundant number, since it is smaller than the sum of its proper divisors (4265534892).

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

2347856340 is a wasteful number, since it uses less digits than its factorization.

2347856340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234496 (or 234494 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 2347856340 is about 48454.6833649752. The cubic root of 2347856340 is about 1329.0985166243.

The spelling of 2347856340 in words is "two billion, three hundred forty-seven million, eight hundred fifty-six thousand, three hundred forty".