345641699 has 8 divisors (see below), whose sum is σ = 372393840. Its totient is φ = 318913056.

The previous prime is 345641693. The next prime is 345641729. The reversal of 345641699 is 996146543.

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 345641699 - 2⁴ = 345641683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345641693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35537 + ... + 44205.

It is an arithmetic number, because the mean of its divisors is an integer number (46549230).

Almost surely, 2^345641699 is an apocalyptic number.

345641699 is a deficient number, since it is larger than the sum of its proper divisors (26752141).

345641699 is a wasteful number, since it uses less digits than its factorization.

345641699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11749.

The product of its digits is 699840, while the sum is 47.

The square root of 345641699 is about 18591.4415524994. The cubic root of 345641699 is about 701.7924802526.

It can be divided in two parts, 34564 and 1699, that added together give a palindrome (36263).

The spelling of 345641699 in words is "three hundred forty-five million, six hundred forty-one thousand, six hundred ninety-nine".