328142388 has 48 divisors (see below), whose sum is σ = 921105920. Its totient is φ = 88820064.

The previous prime is 328142351. The next prime is 328142389. The reversal of 328142388 is 883241823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328142389) 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, 101206 + ... + 104397.

Almost surely, 2^328142388 is an apocalyptic number.

328142388 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

328142388 is an abundant number, since it is smaller than the sum of its proper divisors (592963532).

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

328142388 is a wasteful number, since it uses less digits than its factorization.

328142388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205636 (or 205634 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 328142388 is about 18114.7008807764. The cubic root of 328142388 is about 689.7432272892.

The spelling of 328142388 in words is "three hundred twenty-eight million, one hundred forty-two thousand, three hundred eighty-eight".