6429405 has 16 divisors (see below), whose sum is σ = 10433664. Its totient is φ = 3380160.

The previous prime is 6429389. The next prime is 6429413. The reversal of 6429405 is 5049246.

It is not a de Polignac number, because 6429405 - 2⁴ = 6429389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (652104).

Almost surely, 2^6429405 is an apocalyptic number.

It is an amenable number.

6429405 is a deficient number, since it is larger than the sum of its proper divisors (4004259).

6429405 is a wasteful number, since it uses less digits than its factorization.

6429405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 6429405 is about 2535.6271413597. The cubic root of 6429405 is about 185.9474646403.

The spelling of 6429405 in words is "six million, four hundred twenty-nine thousand, four hundred five".