343497249 has 12 divisors (see below), whose sum is σ = 517735296. Its totient is φ = 219041592.

The previous prime is 343497247. The next prime is 343497251. The reversal of 343497249 is 942794343.

It is an interprime number because it is at equal distance from previous prime (343497247) and next prime (343497251).

It is not a de Polignac number, because 343497249 - 2¹ = 343497247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343497247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 829497 + ... + 829910.

It is an arithmetic number, because the mean of its divisors is an integer number (43144608).

Almost surely, 2^343497249 is an apocalyptic number.

It is an amenable number.

343497249 is a deficient number, since it is larger than the sum of its proper divisors (174238047).

343497249 is a wasteful number, since it uses less digits than its factorization.

343497249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659436 (or 1659433 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 343497249 is about 18533.6787767567. The cubic root of 343497249 is about 700.3381012960.

The spelling of 343497249 in words is "three hundred forty-three million, four hundred ninety-seven thousand, two hundred forty-nine".