8404630936 has 48 divisors (see below), whose sum is σ = 17120565000. Its totient is φ = 3866234112.

The previous prime is 8404630933. The next prime is 8404630957. The reversal of 8404630936 is 6390364048.

It is a junction number, because it is equal to n+sod(n) for n = 8404630892 and 8404630901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8404630933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404940 + ... + 425188.

Almost surely, 2^8404630936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8404630936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8560282500).

8404630936 is an abundant number, since it is smaller than the sum of its proper divisors (8715934064).

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

8404630936 is a wasteful number, since it uses less digits than its factorization.

8404630936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20588 (or 20571 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 8404630936 is about 91676.7742451707. The cubic root of 8404630936 is about 2033.1662058341.

The spelling of 8404630936 in words is "eight billion, four hundred four million, six hundred thirty thousand, nine hundred thirty-six".