404154 has 12 divisors (see below), whose sum is σ = 875706. Its totient is φ = 134712.

The previous prime is 404123. The next prime is 404161. The reversal of 404154 is 451404.

404154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 393129 + 11025 = 627^2 + 105^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22453 = 404154 / (4 + 0 + 4 + 1 + 5 + 4).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11209 + ... + 11244.

2⁴⁰⁴¹⁵⁴ is an apocalyptic number.

404154 is an abundant number, since it is smaller than the sum of its proper divisors (471552).

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

404154 is a wasteful number, since it uses less digits than its factorization.

404154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22461 (or 22458 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 404154 is about 635.7310752197. The cubic root of 404154 is about 73.9348098875.

Adding to 404154 its reverse (451404), we get a palindrome (855558).

It can be divided in two parts, 4041 and 54, that added together give a triangular number (4095 = T₉₀).

The spelling of 404154 in words is "four hundred four thousand, one hundred fifty-four".