345853847 has 2 divisors, whose sum is σ = 345853848. Its totient is φ = 345853846.

The previous prime is 345853843. The next prime is 345853909. The reversal of 345853847 is 748358543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345853847 - 2² = 345853843 is a prime.

It is a super-2 number, since 2×345853847² = 239229766969398818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345853843) by changing a digit.

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 as a sum of consecutive naturals, namely, 172926923 + 172926924.

It is an arithmetic number, because the mean of its divisors is an integer number (172926924).

Almost surely, 2^345853847 is an apocalyptic number.

345853847 is a deficient number, since it is larger than the sum of its proper divisors (1).

345853847 is an equidigital number, since it uses as much as digits as its factorization.

345853847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 47.

The square root of 345853847 is about 18597.1462058027. The cubic root of 345853847 is about 701.9360329752.

The spelling of 345853847 in words is "three hundred forty-five million, eight hundred fifty-three thousand, eight hundred forty-seven".