1328948706 has 8 divisors (see below), whose sum is σ = 2657897424. Its totient is φ = 442982900.

The previous prime is 1328948657. The next prime is 1328948707. The reversal of 1328948706 is 6078498231.

1328948706 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1328948706 is an admirable number.

It is a super-2 number, since 2×1328948706² = 3532209326358148872, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1328948707) 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, 110745720 + ... + 110745731.

It is an arithmetic number, because the mean of its divisors is an integer number (332237178).

Almost surely, 2^1328948706 is an apocalyptic number.

1328948706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1328948706 is a wasteful number, since it uses less digits than its factorization.

1328948706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221491456.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1328948706 is about 36454.7487441623. The cubic root of 1328948706 is about 1099.4346146834.

The spelling of 1328948706 in words is "one billion, three hundred twenty-eight million, nine hundred forty-eight thousand, seven hundred six".