403341312 has 128 divisors (see below), whose sum is σ = 1176484320. Its totient is φ = 121896960.

The previous prime is 403341293. The next prime is 403341319. The reversal of 403341312 is 213143304.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (403341319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081158 + ... + 1081530.

Almost surely, 2^403341312 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 403341312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588242160).

403341312 is an abundant number, since it is smaller than the sum of its proper divisors (773143008).

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

403341312 is an equidigital number, since it uses as much as digits as its factorization.

403341312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 403341312 is about 20083.3590815879. The cubic root of 403341312 is about 738.8521967177.

Adding to 403341312 its reverse (213143304), we get a palindrome (616484616).

The spelling of 403341312 in words is "four hundred three million, three hundred forty-one thousand, three hundred twelve".