6401432 has 16 divisors (see below), whose sum is σ = 12066000. Its totient is φ = 3183840.

The previous prime is 6401419. The next prime is 6401459. The reversal of 6401432 is 2341046.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419 + ... + 3602.

It is an arithmetic number, because the mean of its divisors is an integer number (754125).

Almost surely, 2^6401432 is an apocalyptic number.

It is an amenable number.

6401432 is a deficient number, since it is larger than the sum of its proper divisors (5664568).

6401432 is a wasteful number, since it uses less digits than its factorization.

6401432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226 (or 4222 counting only the distinct ones).

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

The square root of 6401432 is about 2530.1051361554. The cubic root of 6401432 is about 185.6773997185.

Adding to 6401432 its reverse (2341046), we get a palindrome (8742478).

It can be divided in two parts, 64014 and 32, that added together give a palindrome (64046).

The spelling of 6401432 in words is "six million, four hundred one thousand, four hundred thirty-two".