343864897 has 2 divisors, whose sum is σ = 343864898. Its totient is φ = 343864896.

The previous prime is 343864889. The next prime is 343864943. The reversal of 343864897 is 798468343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336942736 + 6922161 = 18356^2 + 2631^2 .

It is a cyclic number.

It is not a de Polignac number, because 343864897 - 2³ = 343864889 is a prime.

It is not a weakly prime, because it can be changed into another prime (343864847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171932448 + 171932449.

It is an arithmetic number, because the mean of its divisors is an integer number (171932449).

Almost surely, 2^343864897 is an apocalyptic number.

It is an amenable number.

343864897 is a deficient number, since it is larger than the sum of its proper divisors (1).

343864897 is an equidigital number, since it uses as much as digits as its factorization.

343864897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 52.

The square root of 343864897 is about 18543.5945005277. The cubic root of 343864897 is about 700.5878714638.

It can be divided in two parts, 34386489 and 7, that added together give a square (34386496 = 5864²).

The spelling of 343864897 in words is "three hundred forty-three million, eight hundred sixty-four thousand, eight hundred ninety-seven".