345439396 has 9 divisors (see below), whose sum is σ = 604584001. Its totient is φ = 172701112.

The previous prime is 345439351. The next prime is 345439397. The reversal of 345439396 is 693934543.

The square root of 345439396 is 18586.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 26316900 + 319122496 = 5130^2 + 17864^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345439397) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32526 + ... + 41818.

Almost surely, 2^345439396 is an apocalyptic number.

345439396 is the 18586-th square number.

It is an amenable number.

345439396 is a deficient number, since it is larger than the sum of its proper divisors (259144605).

345439396 is an frugal number, since it uses more digits than its factorization.

345439396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18590 (or 9295 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 46.

The cubic root of 345439396 is about 701.6555345536.

The spelling of 345439396 in words is "three hundred forty-five million, four hundred thirty-nine thousand, three hundred ninety-six".