343347489 has 12 divisors (see below), whose sum is σ = 508043172. Its totient is φ = 223315200.

The previous prime is 343347481. The next prime is 343347497. The reversal of 343347489 is 984743343.

It is an interprime number because it is at equal distance from previous prime (343347481) and next prime (343347497).

It can be written as a sum of positive squares in 2 ways, for example, as 36397089 + 306950400 = 6033^2 + 17520^2 .

It is not a de Polignac number, because 343347489 - 2³ = 343347481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343347481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464872 + ... + 465609.

It is an arithmetic number, because the mean of its divisors is an integer number (42336931).

Almost surely, 2^343347489 is an apocalyptic number.

It is an amenable number.

343347489 is a deficient number, since it is larger than the sum of its proper divisors (164695683).

343347489 is a wasteful number, since it uses less digits than its factorization.

343347489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930528 (or 930525 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 343347489 is about 18529.6381238275. The cubic root of 343347489 is about 700.2363072928.

The spelling of 343347489 in words is "three hundred forty-three million, three hundred forty-seven thousand, four hundred eighty-nine".