6392842 has 4 divisors (see below), whose sum is σ = 9589266. Its totient is φ = 3196420.

The previous prime is 6392839. The next prime is 6392857. The reversal of 6392842 is 2482936.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3956121 + 2436721 = 1989^2 + 1561^2 .

It is a d-powerful number, because it can be written as 6⁴ + 3¹⁰ + 9² + 2¹³ + 8⁵ + 4¹¹ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 6392798 and 6392807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598209 + ... + 1598212.

Almost surely, 2^6392842 is an apocalyptic number.

6392842 is a deficient number, since it is larger than the sum of its proper divisors (3196424).

6392842 is a wasteful number, since it uses less digits than its factorization.

6392842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196423.

The product of its digits is 20736, while the sum is 34.

The square root of 6392842 is about 2528.4070083750. The cubic root of 6392842 is about 185.5943098298.

It can be divided in two parts, 639 and 2842, that added together give a square (3481 = 59²).

The spelling of 6392842 in words is "six million, three hundred ninety-two thousand, eight hundred forty-two".