403321152 has 112 divisors (see below), whose sum is σ = 1154988800. Its totient is φ = 123475968.

The previous prime is 403321133. The next prime is 403321157. The reversal of 403321152 is 251123304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403321157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870873 + ... + 871335.

It is an arithmetic number, because the mean of its divisors is an integer number (10312400).

Almost surely, 2^403321152 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 403321152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577494400).

403321152 is an abundant number, since it is smaller than the sum of its proper divisors (751667648).

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

403321152 is a wasteful number, since it uses less digits than its factorization.

403321152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 403321152 is about 20082.8571672459. The cubic root of 403321152 is about 738.8398866237.

Adding to 403321152 its reverse (251123304), we get a palindrome (654444456).

The spelling of 403321152 in words is "four hundred three million, three hundred twenty-one thousand, one hundred fifty-two".