2391346858 has 16 divisors (see below), whose sum is σ = 3626457120. Its totient is φ = 1182567600.

The previous prime is 2391346849. The next prime is 2391346879. The reversal of 2391346858 is 8586431932.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114873 + ... + 134083.

It is an arithmetic number, because the mean of its divisors is an integer number (226653570).

Almost surely, 2^2391346858 is an apocalyptic number.

2391346858 is a deficient number, since it is larger than the sum of its proper divisors (1235110262).

2391346858 is a wasteful number, since it uses less digits than its factorization.

2391346858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19893.

The product of its digits is 1244160, while the sum is 49.

The square root of 2391346858 is about 48901.3993460310. The cubic root of 2391346858 is about 1337.2548795626.

The spelling of 2391346858 in words is "two billion, three hundred ninety-one million, three hundred forty-six thousand, eight hundred fifty-eight".