1328933952 has 84 divisors (see below), whose sum is σ = 3950275056. Its totient is φ = 442972800.

The previous prime is 1328933933. The next prime is 1328933981. The reversal of 1328933952 is 2593398231.

It is a junction number, because it is equal to n+sod(n) for n = 1328933898 and 1328933907.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27174 + ... + 58277.

It is an arithmetic number, because the mean of its divisors is an integer number (47027084).

Almost surely, 2^1328933952 is an apocalyptic number.

1328933952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1328933952 is an abundant number, since it is smaller than the sum of its proper divisors (2621341104).

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

1328933952 is an frugal number, since it uses more digits than its factorization.

1328933952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85478 (or 85456 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 1328933952 is about 36454.5463831331. The cubic root of 1328933952 is about 1099.4305460242.

The spelling of 1328933952 in words is "one billion, three hundred twenty-eight million, nine hundred thirty-three thousand, nine hundred fifty-two".