403240604 has 24 divisors (see below), whose sum is σ = 763294560. Its totient is φ = 185292864.

The previous prime is 403240603. The next prime is 403240631. The reversal of 403240604 is 406042304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 403240604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403240601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5024 + ... + 28839.

It is an arithmetic number, because the mean of its divisors is an integer number (31803940).

Almost surely, 2^403240604 is an apocalyptic number.

It is an amenable number.

403240604 is a deficient number, since it is larger than the sum of its proper divisors (360053956).

403240604 is a wasteful number, since it uses less digits than its factorization.

403240604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34109 (or 34107 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 403240604 is about 20080.8516751656. The cubic root of 403240604 is about 738.7906983304.

Adding to 403240604 its reverse (406042304), we get a palindrome (809282908).

The spelling of 403240604 in words is "four hundred three million, two hundred forty thousand, six hundred four".