6398142 has 16 divisors (see below), whose sum is σ = 13094400. Its totient is φ = 2083032.

The previous prime is 6398141. The next prime is 6398149. The reversal of 6398142 is 2418936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12142 + ... + 12657.

It is an arithmetic number, because the mean of its divisors is an integer number (818400).

Almost surely, 2^6398142 is an apocalyptic number.

6398142 is an abundant number, since it is smaller than the sum of its proper divisors (6696258).

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

6398142 is a wasteful number, since it uses less digits than its factorization.

6398142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24847.

The product of its digits is 10368, while the sum is 33.

The square root of 6398142 is about 2529.4548819854. The cubic root of 6398142 is about 185.6455847888.

The spelling of 6398142 in words is "six million, three hundred ninety-eight thousand, one hundred forty-two".