6636434 has 32 divisors (see below), whose sum is σ = 12201600. Its totient is φ = 2643840.

The previous prime is 6636433. The next prime is 6636457. The reversal of 6636434 is 4346366.

It is a self number, because there is not a number n which added to its sum of digits gives 6636434.

It is not an unprimeable number, because it can be changed into a prime (6636433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16022 + ... + 16430.

It is an arithmetic number, because the mean of its divisors is an integer number (381300).

Almost surely, 2^6636434 is an apocalyptic number.

6636434 is a deficient number, since it is larger than the sum of its proper divisors (5565166).

6636434 is a wasteful number, since it uses less digits than its factorization.

6636434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its digits is 31104, while the sum is 32.

The square root of 6636434 is about 2576.1277142254. The cubic root of 6636434 is about 187.9222743435.

The spelling of 6636434 in words is "six million, six hundred thirty-six thousand, four hundred thirty-four".