345965638 has 8 divisors (see below), whose sum is σ = 520070688. Its totient is φ = 172608744.

The previous prime is 345965617. The next prime is 345965647. The reversal of 345965638 is 836569543.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 345965591 and 345965600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185881 + ... + 187732.

It is an arithmetic number, because the mean of its divisors is an integer number (65008836).

Almost surely, 2^345965638 is an apocalyptic number.

345965638 is a deficient number, since it is larger than the sum of its proper divisors (174105050).

345965638 is a wasteful number, since it uses less digits than its factorization.

345965638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374078.

The product of its digits is 2332800, while the sum is 49.

The square root of 345965638 is about 18600.1515585223. The cubic root of 345965638 is about 702.0116542033.

The spelling of 345965638 in words is "three hundred forty-five million, nine hundred sixty-five thousand, six hundred thirty-eight".