6478942 has 8 divisors (see below), whose sum is σ = 9729216. Its totient is φ = 3235872.

The previous prime is 6478937. The next prime is 6478949. The reversal of 6478942 is 2498746.

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

It is a junction number, because it is equal to n+sod(n) for n = 6478895 and 6478904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643 + ... + 4465.

It is an arithmetic number, because the mean of its divisors is an integer number (1216152).

Almost surely, 2^6478942 is an apocalyptic number.

6478942 is a deficient number, since it is larger than the sum of its proper divisors (3250274).

6478942 is a wasteful number, since it uses less digits than its factorization.

6478942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602.

The product of its digits is 96768, while the sum is 40.

The square root of 6478942 is about 2545.3765929622. The cubic root of 6478942 is about 186.4238033482.

The spelling of 6478942 in words is "six million, four hundred seventy-eight thousand, nine hundred forty-two".