404235 has 24 divisors (see below), whose sum is σ = 755664. Its totient is φ = 198720.

The previous prime is 404221. The next prime is 404249. The reversal of 404235 is 532404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404221) and next prime (404249).

It is not a de Polignac number, because 404235 - 2⁸ = 403979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (31486).

2⁴⁰⁴²³⁵ is an apocalyptic number.

404235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

404235 is a deficient number, since it is larger than the sum of its proper divisors (351429).

404235 is a wasteful number, since it uses less digits than its factorization.

404235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 404235 is about 635.7947782107. The cubic root of 404235 is about 73.9397488626.

Adding to 404235 its reverse (532404), we get a palindrome (936639).

The spelling of 404235 in words is "four hundred four thousand, two hundred thirty-five".