404148 has 12 divisors (see below), whose sum is σ = 943040. Its totient is φ = 134712.

The previous prime is 404123. The next prime is 404161. The reversal of 404148 is 841404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

404148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16828 + ... + 16851.

2⁴⁰⁴¹⁴⁸ is an apocalyptic number.

It is an amenable number.

404148 is an abundant number, since it is smaller than the sum of its proper divisors (538892).

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

404148 is a wasteful number, since it uses less digits than its factorization.

404148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33686 (or 33684 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 404148 is about 635.7263562257. The cubic root of 404148 is about 73.9344440113.

The spelling of 404148 in words is "four hundred four thousand, one hundred forty-eight".