6426429 has 8 divisors (see below), whose sum is σ = 8864160. Its totient is φ = 4136496.

The previous prime is 6426421. The next prime is 6426437. The reversal of 6426429 is 9246246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6426421) and next prime (6426437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6426429 - 2³ = 6426421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6426429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36847 + ... + 37020.

It is an arithmetic number, because the mean of its divisors is an integer number (1108020).

Almost surely, 2^6426429 is an apocalyptic number.

It is an amenable number.

6426429 is a deficient number, since it is larger than the sum of its proper divisors (2437731).

6426429 is a wasteful number, since it uses less digits than its factorization.

6426429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73899.

The product of its digits is 20736, while the sum is 33.

The square root of 6426429 is about 2535.0402363671. The cubic root of 6426429 is about 185.9187701728.

The spelling of 6426429 in words is "six million, four hundred twenty-six thousand, four hundred twenty-nine".