343574797 has 2 divisors, whose sum is σ = 343574798. Its totient is φ = 343574796.

The previous prime is 343574789. The next prime is 343574809. The reversal of 343574797 is 797475343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337493641 + 6081156 = 18371^2 + 2466^2 .

It is a cyclic number.

It is not a de Polignac number, because 343574797 - 2³ = 343574789 is a prime.

It is a super-2 number, since 2×343574797² = 236087282267182418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343574797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343574197) 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 as a sum of consecutive naturals, namely, 171787398 + 171787399.

It is an arithmetic number, because the mean of its divisors is an integer number (171787399).

Almost surely, 2^343574797 is an apocalyptic number.

It is an amenable number.

343574797 is a deficient number, since it is larger than the sum of its proper divisors (1).

343574797 is an equidigital number, since it uses as much as digits as its factorization.

343574797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 49.

The square root of 343574797 is about 18535.7707420005. The cubic root of 343574797 is about 700.3908001485.

The spelling of 343574797 in words is "three hundred forty-three million, five hundred seventy-four thousand, seven hundred ninety-seven".