345871393 has 8 divisors (see below), whose sum is σ = 401981760. Its totient is φ = 291436080.

The previous prime is 345871381. The next prime is 345871397. The reversal of 345871393 is 393178543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345871393 - 2⁹ = 345870881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345871397) 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, 418318 + ... + 419143.

It is an arithmetic number, because the mean of its divisors is an integer number (50247720).

Almost surely, 2^345871393 is an apocalyptic number.

It is an amenable number.

345871393 is a deficient number, since it is larger than the sum of its proper divisors (56110367).

345871393 is an equidigital number, since it uses as much as digits as its factorization.

345871393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837527.

The product of its digits is 272160, while the sum is 43.

The square root of 345871393 is about 18597.6179388652. The cubic root of 345871393 is about 701.9479030773.

The spelling of 345871393 in words is "three hundred forty-five million, eight hundred seventy-one thousand, three hundred ninety-three".