6429427 has 2 divisors, whose sum is σ = 6429428. Its totient is φ = 6429426.

The previous prime is 6429419. The next prime is 6429433. The reversal of 6429427 is 7249246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6429427 - 2³ = 6429419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6429392 and 6429401.

It is not a weakly prime, because it can be changed into another prime (6429457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214713 + 3214714.

It is an arithmetic number, because the mean of its divisors is an integer number (3214714).

Almost surely, 2^6429427 is an apocalyptic number.

6429427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429427 is an equidigital number, since it uses as much as digits as its factorization.

6429427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 6429427 is about 2535.6314795333. The cubic root of 6429427 is about 185.9476767304.

The spelling of 6429427 in words is "six million, four hundred twenty-nine thousand, four hundred twenty-seven".