1328948318 has 8 divisors (see below), whose sum is σ = 2026101720. Its totient is φ = 653581080.

The previous prime is 1328948311. The next prime is 1328948321. The reversal of 1328948318 is 8138498231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1328948318² = 3532207263830058248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328948311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5446388 + ... + 5446631.

It is an arithmetic number, because the mean of its divisors is an integer number (253262715).

Almost surely, 2^1328948318 is an apocalyptic number.

1328948318 is a deficient number, since it is larger than the sum of its proper divisors (697153402).

1328948318 is a wasteful number, since it uses less digits than its factorization.

1328948318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10893082.

The product of its digits is 331776, while the sum is 47.

The square root of 1328948318 is about 36454.7434224958. The cubic root of 1328948318 is about 1099.4345076864.

The spelling of 1328948318 in words is "one billion, three hundred twenty-eight million, nine hundred forty-eight thousand, three hundred eighteen".