6429407 has 6 divisors (see below), whose sum is σ = 6543768. Its totient is φ = 6317012.

The previous prime is 6429389. The next prime is 6429413. The reversal of 6429407 is 7049246.

It is not a de Polignac number, because 6429407 - 2⁶ = 6429343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2558 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (1090628).

Almost surely, 2^6429407 is an apocalyptic number.

6429407 is a deficient number, since it is larger than the sum of its proper divisors (114361).

6429407 is an equidigital number, since it uses as much as digits as its factorization.

6429407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 6429407 is about 2535.6275357394. The cubic root of 6429407 is about 185.9474839212.

The spelling of 6429407 in words is "six million, four hundred twenty-nine thousand, four hundred seven".