343432429 has 4 divisors (see below), whose sum is σ = 361507840. Its totient is φ = 325357020.

The previous prime is 343432381. The next prime is 343432433. The reversal of 343432429 is 924234343.

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 a de Polignac number, because none of the positive numbers 2^k-343432429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343432394 and 343432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343432469) 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, 9037677 + ... + 9037714.

It is an arithmetic number, because the mean of its divisors is an integer number (90376960).

Almost surely, 2^343432429 is an apocalyptic number.

It is an amenable number.

343432429 is a deficient number, since it is larger than the sum of its proper divisors (18075411).

343432429 is a wasteful number, since it uses less digits than its factorization.

343432429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18075410.

The product of its digits is 62208, while the sum is 34.

The square root of 343432429 is about 18531.9299858380. The cubic root of 343432429 is about 700.2940458519.

The spelling of 343432429 in words is "three hundred forty-three million, four hundred thirty-two thousand, four hundred twenty-nine".