343316916 has 18 divisors (see below), whose sum is σ = 867828962. Its totient is φ = 114438960.

The previous prime is 343316893. The next prime is 343316923. The reversal of 343316916 is 619613343.

It can be written as a sum of positive squares in only one way, i.e., 269288100 + 74028816 = 16410^2 + 8604^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9536581 = 343316916 / (3 + 4 + 3 + 3 + 1 + 6 + 9 + 1 + 6).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4768255 + ... + 4768326.

Almost surely, 2^343316916 is an apocalyptic number.

343316916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

343316916 is an abundant number, since it is smaller than the sum of its proper divisors (524512046).

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

343316916 is a wasteful number, since it uses less digits than its factorization.

343316916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536591 (or 9536586 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 343316916 is about 18528.8131298257. The cubic root of 343316916 is about 700.2155227516.

The spelling of 343316916 in words is "three hundred forty-three million, three hundred sixteen thousand, nine hundred sixteen".