343242401 has 4 divisors (see below), whose sum is σ = 345862704. Its totient is φ = 340622100.

The previous prime is 343242397. The next prime is 343242437. The reversal of 343242401 is 104242343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343242401 - 2² = 343242397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343242481) 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, 1309955 + ... + 1310216.

It is an arithmetic number, because the mean of its divisors is an integer number (86465676).

Almost surely, 2^343242401 is an apocalyptic number.

It is an amenable number.

343242401 is a deficient number, since it is larger than the sum of its proper divisors (2620303).

343242401 is a wasteful number, since it uses less digits than its factorization.

343242401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620302.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 343242401 is about 18526.8022335210. The cubic root of 343242401 is about 700.1648598096.

Adding to 343242401 its reverse (104242343), we get a palindrome (447484744).

The spelling of 343242401 in words is "three hundred forty-three million, two hundred forty-two thousand, four hundred one".