6431402 has 8 divisors (see below), whose sum is σ = 9684576. Its totient is φ = 3203212.

The previous prime is 6431401. The next prime is 6431429. The reversal of 6431402 is 2041346.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (6431401) 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, 5588 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (1210572).

Almost surely, 2^6431402 is an apocalyptic number.

6431402 is a deficient number, since it is larger than the sum of its proper divisors (3253174).

6431402 is a wasteful number, since it uses less digits than its factorization.

6431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6431402 is about 2536.0208989675. The cubic root of 6431402 is about 185.9667146666.

Adding to 6431402 its reverse (2041346), we get a palindrome (8472748).

The spelling of 6431402 in words is "six million, four hundred thirty-one thousand, four hundred two".