403312104 has 96 divisors (see below), whose sum is σ = 1187615520. Its totient is φ = 122905728.

The previous prime is 403312103. The next prime is 403312111. The reversal of 403312104 is 401213304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (403312103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98139 + ... + 102165.

It is an arithmetic number, because the mean of its divisors is an integer number (12370995).

Almost surely, 2^403312104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403312104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593807760).

403312104 is an abundant number, since it is smaller than the sum of its proper divisors (784303416).

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

403312104 is a wasteful number, since it uses less digits than its factorization.

403312104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159 (or 4152 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 403312104 is about 20082.6318992307. The cubic root of 403312104 is about 738.8343616029.

Adding to 403312104 its reverse (401213304), we get a palindrome (804525408).

The spelling of 403312104 in words is "four hundred three million, three hundred twelve thousand, one hundred four".