6042639 has 4 divisors (see below), whose sum is σ = 8056856. Its totient is φ = 4028424.

The previous prime is 6042607. The next prime is 6042671. The reversal of 6042639 is 9362406.

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

It is an interprime number because it is at equal distance from previous prime (6042607) and next prime (6042671).

It is not a de Polignac number, because 6042639 - 2⁵ = 6042607 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6042139) 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 3 ways as a sum of consecutive naturals, for example, 1007104 + ... + 1007109.

It is an arithmetic number, because the mean of its divisors is an integer number (2014214).

Almost surely, 2^6042639 is an apocalyptic number.

6042639 is a deficient number, since it is larger than the sum of its proper divisors (2014217).

6042639 is a wasteful number, since it uses less digits than its factorization.

6042639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014216.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6042639 is about 2458.1779837921. The cubic root of 6042639 is about 182.1414892191.

The spelling of 6042639 in words is "six million, forty-two thousand, six hundred thirty-nine".