6436998 has 12 divisors (see below), whose sum is σ = 13946868. Its totient is φ = 2145660.

The previous prime is 6436993. The next prime is 6437021. The reversal of 6436998 is 8996346.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6436993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178788 + ... + 178823.

It is an arithmetic number, because the mean of its divisors is an integer number (1162239).

Almost surely, 2^6436998 is an apocalyptic number.

6436998 is an abundant number, since it is smaller than the sum of its proper divisors (7509870).

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

6436998 is a wasteful number, since it uses less digits than its factorization.

6436998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357619 (or 357616 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6436998 is about 2537.1239622849. The cubic root of 6436998 is about 186.0206359345.

The spelling of 6436998 in words is "six million, four hundred thirty-six thousand, nine hundred ninety-eight".