404342324 has 6 divisors (see below), whose sum is σ = 707599074. Its totient is φ = 202171160.

The previous prime is 404342321. The next prime is 404342357. The reversal of 404342324 is 423243404.

It can be written as a sum of positive squares in only one way, i.e., 400800400 + 3541924 = 20020^2 + 1882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404342293 and 404342302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404342321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50542787 + ... + 50542794.

It is an arithmetic number, because the mean of its divisors is an integer number (117933179).

Almost surely, 2^404342324 is an apocalyptic number.

It is an amenable number.

404342324 is a deficient number, since it is larger than the sum of its proper divisors (303256750).

404342324 is a wasteful number, since it uses less digits than its factorization.

404342324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101085585 (or 101085583 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 404342324 is about 20108.2650668823. The cubic root of 404342324 is about 739.4629192740.

Adding to 404342324 its reverse (423243404), we get a palindrome (827585728).

The spelling of 404342324 in words is "four hundred four million, three hundred forty-two thousand, three hundred twenty-four".