6432940 has 12 divisors (see below), whose sum is σ = 13509216. Its totient is φ = 2573168.

The previous prime is 6432917. The next prime is 6432949. The reversal of 6432940 is 492346.

It is a junction number, because it is equal to n+sod(n) for n = 6432899 and 6432908.

It is not an unprimeable number, because it can be changed into a prime (6432949) 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, 160804 + ... + 160843.

It is an arithmetic number, because the mean of its divisors is an integer number (1125768).

Almost surely, 2^6432940 is an apocalyptic number.

It is an amenable number.

6432940 is an abundant number, since it is smaller than the sum of its proper divisors (7076276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6432940 is a wasteful number, since it uses less digits than its factorization.

6432940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321656 (or 321654 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6432940 is about 2536.3241117807. The cubic root of 6432940 is about 185.9815374591.

The spelling of 6432940 in words is "six million, four hundred thirty-two thousand, nine hundred forty".