8404634 has 32 divisors (see below), whose sum is σ = 15054336. Its totient is φ = 3444480.

The previous prime is 8404619. The next prime is 8404639. The reversal of 8404634 is 4364048.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8404597 and 8404606.

It is not an unprimeable number, because it can be changed into a prime (8404639) 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, 34754 + ... + 34994.

It is an arithmetic number, because the mean of its divisors is an integer number (470448).

Almost surely, 2^8404634 is an apocalyptic number.

8404634 is a deficient number, since it is larger than the sum of its proper divisors (6649702).

8404634 is a wasteful number, since it uses less digits than its factorization.

8404634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 8404634 is about 2899.0746799626. The cubic root of 8404634 is about 203.3166452905.

The spelling of 8404634 in words is "eight million, four hundred four thousand, six hundred thirty-four".