404340846 has 96 divisors (see below), whose sum is σ = 1028845440. Its totient is φ = 104981184.

The previous prime is 404340821. The next prime is 404340857. The reversal of 404340846 is 648043404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255285 + ... + 256863.

It is an arithmetic number, because the mean of its divisors is an integer number (10717140).

Almost surely, 2^404340846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404340846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514422720).

404340846 is an abundant number, since it is smaller than the sum of its proper divisors (624504594).

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

404340846 is a wasteful number, since it uses less digits than its factorization.

404340846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 404340846 is about 20108.2283157915. The cubic root of 404340846 is about 739.4620182820.

The spelling of 404340846 in words is "four hundred four million, three hundred forty thousand, eight hundred forty-six".