345685326 has 16 divisors (see below), whose sum is σ = 790137984. Its totient is φ = 98767224.

The previous prime is 345685321. The next prime is 345685343. The reversal of 345685326 is 623586543.

It is a super-2 number, since 2×345685326² = 238996689223452552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 8230603 = 345685326 / (3 + 4 + 5 + 6 + 8 + 5 + 3 + 2 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345685321) 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, 4115260 + ... + 4115343.

It is an arithmetic number, because the mean of its divisors is an integer number (49383624).

Almost surely, 2^345685326 is an apocalyptic number.

345685326 is an abundant number, since it is smaller than the sum of its proper divisors (444452658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345685326 is a wasteful number, since it uses less digits than its factorization.

345685326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230615.

The product of its digits is 518400, while the sum is 42.

The square root of 345685326 is about 18592.6148241715. The cubic root of 345685326 is about 701.8220058302.

The spelling of 345685326 in words is "three hundred forty-five million, six hundred eighty-five thousand, three hundred twenty-six".