343743401 has 4 divisors (see below), whose sum is σ = 346785492. Its totient is φ = 340701312.

The previous prime is 343743397. The next prime is 343743437. The reversal of 343743401 is 104347343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190578025 + 153165376 = 13805^2 + 12376^2 .

It is a cyclic number.

It is not a de Polignac number, because 343743401 - 2² = 343743397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343743461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520876 + ... + 1521101.

It is an arithmetic number, because the mean of its divisors is an integer number (86696373).

Almost surely, 2^343743401 is an apocalyptic number.

It is an amenable number.

343743401 is a deficient number, since it is larger than the sum of its proper divisors (3042091).

343743401 is a wasteful number, since it uses less digits than its factorization.

343743401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042090.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 343743401 is about 18540.3182550894. The cubic root of 343743401 is about 700.5053500515.

The spelling of 343743401 in words is "three hundred forty-three million, seven hundred forty-three thousand, four hundred one".