8404746 has 32 divisors (see below), whose sum is σ = 19450368. Its totient is φ = 2371440.

The previous prime is 8404741. The next prime is 8404771. The reversal of 8404746 is 6474048.

It is not an unprimeable number, because it can be changed into a prime (8404741) 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, 2281 + ... + 4691.

It is an arithmetic number, because the mean of its divisors is an integer number (607824).

Almost surely, 2^8404746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8404746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9725184).

8404746 is an abundant number, since it is smaller than the sum of its proper divisors (11045622).

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

8404746 is a wasteful number, since it uses less digits than its factorization.

8404746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 8404746 is about 2899.0939964065. The cubic root of 8404746 is about 203.3175484178.

The spelling of 8404746 in words is "eight million, four hundred four thousand, seven hundred forty-six".