404194364 has 48 divisors (see below), whose sum is σ = 866385408. Its totient is φ = 161206848.

The previous prime is 404194339. The next prime is 404194381. The reversal of 404194364 is 463491404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15347 + ... + 32309.

It is an arithmetic number, because the mean of its divisors is an integer number (18049696).

Almost surely, 2^404194364 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 404194364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433192704).

404194364 is an abundant number, since it is smaller than the sum of its proper divisors (462191044).

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

404194364 is a wasteful number, since it uses less digits than its factorization.

404194364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034 (or 17032 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 404194364 is about 20104.5856460659. The cubic root of 404194364 is about 739.3727116493.

The spelling of 404194364 in words is "four hundred four million, one hundred ninety-four thousand, three hundred sixty-four".