345318404 has 6 divisors (see below), whose sum is σ = 604307214. Its totient is φ = 172659200.

The previous prime is 345318403. The next prime is 345318437. The reversal of 345318404 is 404813543.

It can be written as a sum of positive squares in only one way, i.e., 218980804 + 126337600 = 14798^2 + 11240^2 .

It is a super-2 number, since 2×345318404² = 238489600282214432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345318403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43164797 + ... + 43164804.

It is an arithmetic number, because the mean of its divisors is an integer number (100717869).

Almost surely, 2^345318404 is an apocalyptic number.

It is an amenable number.

345318404 is a deficient number, since it is larger than the sum of its proper divisors (258988810).

345318404 is a wasteful number, since it uses less digits than its factorization.

345318404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86329605 (or 86329603 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 345318404 is about 18582.7447918761. The cubic root of 345318404 is about 701.5736054502.

The spelling of 345318404 in words is "three hundred forty-five million, three hundred eighteen thousand, four hundred four".