6424636 has 12 divisors (see below), whose sum is σ = 11732112. Its totient is φ = 3072608.

The previous prime is 6424619. The next prime is 6424637. The reversal of 6424636 is 6364246.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6424598 and 6424607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34825 + ... + 35008.

It is an arithmetic number, because the mean of its divisors is an integer number (977676).

Almost surely, 2^6424636 is an apocalyptic number.

It is an amenable number.

6424636 is a deficient number, since it is larger than the sum of its proper divisors (5307476).

6424636 is a wasteful number, since it uses less digits than its factorization.

6424636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69860 (or 69858 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 6424636 is about 2534.6865683946. The cubic root of 6424636 is about 185.9014778651.

The spelling of 6424636 in words is "six million, four hundred twenty-four thousand, six hundred thirty-six".