326331432 has 192 divisors, whose sum is σ = 1061424000. Its totient is φ = 88607232.

The previous prime is 326331413. The next prime is 326331437. The reversal of 326331432 is 234133623.

It is a happy number.

326331432 is a `hidden beast` number, since 326 + 331 + 4 + 3 + 2 = 666.

It is a super-2 number, since 2×326331432² = 212984407022341248, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 326331396 and 326331405.

It is not an unprimeable number, because it can be changed into a prime (326331437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1212994 + ... + 1213262.

It is an arithmetic number, because the mean of its divisors is an integer number (5528250).

Almost surely, 2^326331432 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 326331432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530712000).

326331432 is an abundant number, since it is smaller than the sum of its proper divisors (735092568).

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

326331432 is a wasteful number, since it uses less digits than its factorization.

326331432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 393 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 326331432 is about 18064.6459140499. The cubic root of 326331432 is about 688.4720316211.

The spelling of 326331432 in words is "three hundred twenty-six million, three hundred thirty-one thousand, four hundred thirty-two".