403234944 has 128 divisors (see below), whose sum is σ = 1242931200. Its totient is φ = 113439744.

The previous prime is 403234943. The next prime is 403234961. The reversal of 403234944 is 449432304.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403234943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178977 + ... + 181215.

It is an arithmetic number, because the mean of its divisors is an integer number (9710400).

Almost surely, 2^403234944 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 403234944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621465600).

403234944 is an abundant number, since it is smaller than the sum of its proper divisors (839696256).

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

403234944 is a wasteful number, since it uses less digits than its factorization.

403234944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 403234944 is about 20080.7107443935. The cubic root of 403234944 is about 738.7872416886.

The spelling of 403234944 in words is "four hundred three million, two hundred thirty-four thousand, nine hundred forty-four".