345855379 has 4 divisors (see below), whose sum is σ = 345903184. Its totient is φ = 345807576.

The previous prime is 345855359. The next prime is 345855397. The reversal of 345855379 is 973558543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973558543 = 83 ⋅11729621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345855379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345855319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10572 + ... + 28345.

It is an arithmetic number, because the mean of its divisors is an integer number (86475796).

Almost surely, 2^345855379 is an apocalyptic number.

345855379 is a deficient number, since it is larger than the sum of its proper divisors (47805).

345855379 is an equidigital number, since it uses as much as digits as its factorization.

345855379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47804.

The product of its digits is 2268000, while the sum is 49.

The square root of 345855379 is about 18597.1873948724. The cubic root of 345855379 is about 701.9370694096.

The spelling of 345855379 in words is "three hundred forty-five million, eight hundred fifty-five thousand, three hundred seventy-nine".