404149 has 8 divisors (see below), whose sum is σ = 432000. Its totient is φ = 376992.

The previous prime is 404123. The next prime is 404161. The reversal of 404149 is 941404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404149 - 2⁷ = 404021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 1810.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

2⁴⁰⁴¹⁴⁹ is an apocalyptic number.

It is an amenable number.

404149 is a deficient number, since it is larger than the sum of its proper divisors (27851).

404149 is a wasteful number, since it uses less digits than its factorization.

404149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 404149 is about 635.7271427271. The cubic root of 404149 is about 73.9345049909.

The spelling of 404149 in words is "four hundred four thousand, one hundred forty-nine".