6439602 has 16 divisors (see below), whose sum is σ = 13870080. Its totient is φ = 1981392.

The previous prime is 6439577. The next prime is 6439607. The reversal of 6439602 is 2069346.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6439602.

It is not an unprimeable number, because it can be changed into a prime (6439607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41202 + ... + 41357.

It is an arithmetic number, because the mean of its divisors is an integer number (866880).

Almost surely, 2^6439602 is an apocalyptic number.

6439602 is an abundant number, since it is smaller than the sum of its proper divisors (7430478).

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

6439602 is a wasteful number, since it uses less digits than its factorization.

6439602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82577.

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

The square root of 6439602 is about 2537.6370898929. The cubic root of 6439602 is about 186.0457165923.

The spelling of 6439602 in words is "six million, four hundred thirty-nine thousand, six hundred two".