6432406 has 8 divisors (see below), whose sum is σ = 9662760. Its totient is φ = 3211488.

The previous prime is 6432401. The next prime is 6432421. The reversal of 6432406 is 6042346.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (1207845).

Almost surely, 2^6432406 is an apocalyptic number.

6432406 is a deficient number, since it is larger than the sum of its proper divisors (3230354).

6432406 is a wasteful number, since it uses less digits than its factorization.

6432406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 6432406 is about 2536.2188391383. The cubic root of 6432406 is about 185.9763911916.

The spelling of 6432406 in words is "six million, four hundred thirty-two thousand, four hundred six".