345648593 has 8 divisors (see below), whose sum is σ = 358269480. Its totient is φ = 333074560.

The previous prime is 345648571. The next prime is 345648629. The reversal of 345648593 is 395846543.

It can be written as a sum of positive squares in 4 ways, for example, as 83759104 + 261889489 = 9152^2 + 16183^2 .

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 345648593 - 2⁶ = 345648529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345642593) 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, 3671 + ... + 26547.

It is an arithmetic number, because the mean of its divisors is an integer number (44783685).

Almost surely, 2^345648593 is an apocalyptic number.

It is an amenable number.

345648593 is a deficient number, since it is larger than the sum of its proper divisors (12620887).

345648593 is a wasteful number, since it uses less digits than its factorization.

345648593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23427.

The product of its digits is 1555200, while the sum is 47.

The square root of 345648593 is about 18591.6269594675. The cubic root of 345648593 is about 701.7971460913.

The spelling of 345648593 in words is "three hundred forty-five million, six hundred forty-eight thousand, five hundred ninety-three".