343424401 has 4 divisors (see below), whose sum is σ = 343534372. Its totient is φ = 343314432.

The previous prime is 343424377. The next prime is 343424423. The reversal of 343424401 is 104424343.

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 275526801 + 67897600 = 16599^2 + 8240^2 .

It is a cyclic number.

It is not a de Polignac number, because 343424401 - 2¹⁹ = 342900113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343424461) 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, 50160 + ... + 56593.

It is an arithmetic number, because the mean of its divisors is an integer number (85883593).

Almost surely, 2^343424401 is an apocalyptic number.

It is an amenable number.

343424401 is a deficient number, since it is larger than the sum of its proper divisors (109971).

343424401 is a wasteful number, since it uses less digits than its factorization.

343424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109970.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 343424401 is about 18531.7133854374. The cubic root of 343424401 is about 700.2885891702.

Adding to 343424401 its reverse (104424343), we get a palindrome (447848744).

The spelling of 343424401 in words is "three hundred forty-three million, four hundred twenty-four thousand, four hundred one".