404254 has 4 divisors (see below), whose sum is σ = 606384. Its totient is φ = 202126.

The previous prime is 404251. The next prime is 404267. The reversal of 404254 is 452404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101062 + ... + 101065.

It is an arithmetic number, because the mean of its divisors is an integer number (151596).

2⁴⁰⁴²⁵⁴ is an apocalyptic number.

404254 is a deficient number, since it is larger than the sum of its proper divisors (202130).

404254 is a wasteful number, since it uses less digits than its factorization.

404254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202129.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 404254 is about 635.8097199634. The cubic root of 404254 is about 73.9409072921.

Adding to 404254 its reverse (452404), we get a palindrome (856658).

It can be divided in two parts, 4042 and 54, that added together give a 12-th power (4096 = 2¹²).

The spelling of 404254 in words is "four hundred four thousand, two hundred fifty-four".