345269636 has 6 divisors (see below), whose sum is σ = 604221870. Its totient is φ = 172634816.

The previous prime is 345269623. The next prime is 345269641. The reversal of 345269636 is 636962543.

It can be written as a sum of positive squares in only one way, i.e., 335622400 + 9647236 = 18320^2 + 3106^2 .

It is a super-2 number, since 2×345269636² = 238422243087144992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43158701 + ... + 43158708.

It is an arithmetic number, because the mean of its divisors is an integer number (100703645).

Almost surely, 2^345269636 is an apocalyptic number.

It is an amenable number.

345269636 is a deficient number, since it is larger than the sum of its proper divisors (258952234).

345269636 is a wasteful number, since it uses less digits than its factorization.

345269636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86317413 (or 86317411 counting only the distinct ones).

The product of its digits is 699840, while the sum is 44.

The square root of 345269636 is about 18581.4325604890. The cubic root of 345269636 is about 701.5405770412.

The spelling of 345269636 in words is "three hundred forty-five million, two hundred sixty-nine thousand, six hundred thirty-six".