345585407 has 4 divisors (see below), whose sum is σ = 352938336. Its totient is φ = 338232480.

The previous prime is 345585403. The next prime is 345585413. The reversal of 345585407 is 704585543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345585407 - 2² = 345585403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345585403) 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, 3676394 + ... + 3676487.

It is an arithmetic number, because the mean of its divisors is an integer number (88234584).

Almost surely, 2^345585407 is an apocalyptic number.

345585407 is a deficient number, since it is larger than the sum of its proper divisors (7352929).

345585407 is an equidigital number, since it uses as much as digits as its factorization.

345585407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352928.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 345585407 is about 18589.9275684442. The cubic root of 345585407 is about 701.7543796731.

The spelling of 345585407 in words is "three hundred forty-five million, five hundred eighty-five thousand, four hundred seven".