404343234 has 12 divisors (see below), whose sum is σ = 876077046. Its totient is φ = 134781072.

The previous prime is 404343217. The next prime is 404343257. The reversal of 404343234 is 432343404.

It can be written as a sum of positive squares in only one way, i.e., 292512609 + 111830625 = 17103^2 + 10575^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 404343198 and 404343207.

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, 11231739 + ... + 11231774.

Almost surely, 2^404343234 is an apocalyptic number.

404343234 is an abundant number, since it is smaller than the sum of its proper divisors (471733812).

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

404343234 is a wasteful number, since it uses less digits than its factorization.

404343234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22463521 (or 22463518 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 404343234 is about 20108.2876943811. The cubic root of 404343234 is about 739.4634740108.

Adding to 404343234 its reverse (432343404), we get a palindrome (836686638).

The spelling of 404343234 in words is "four hundred four million, three hundred forty-three thousand, two hundred thirty-four".