424340347 has 2 divisors, whose sum is σ = 424340348. Its totient is φ = 424340346.

The previous prime is 424340333. The next prime is 424340353. The reversal of 424340347 is 743043424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424340347 is a prime.

It is not a weakly prime, because it can be changed into another prime (424340747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212170173 + 212170174.

It is an arithmetic number, because the mean of its divisors is an integer number (212170174).

Almost surely, 2^424340347 is an apocalyptic number.

424340347 is a deficient number, since it is larger than the sum of its proper divisors (1).

424340347 is an equidigital number, since it uses as much as digits as its factorization.

424340347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 424340347 is about 20599.5229799139. The cubic root of 424340347 is about 751.4581097546.

The spelling of 424340347 in words is "four hundred twenty-four million, three hundred forty thousand, three hundred forty-seven".