1306928946 has 32 divisors (see below), whose sum is σ = 2753069760. Its totient is φ = 412468416.

The previous prime is 1306928939. The next prime is 1306928951. The reversal of 1306928946 is 6498296031.

1306928946 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1306928895 and 1306928904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335160 + ... + 339036.

It is an arithmetic number, because the mean of its divisors is an integer number (86033430).

Almost surely, 2^1306928946 is an apocalyptic number.

1306928946 is an abundant number, since it is smaller than the sum of its proper divisors (1446140814).

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

1306928946 is a wasteful number, since it uses less digits than its factorization.

1306928946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 1306928946 is about 36151.4722521781. The cubic root of 1306928946 is about 1093.3284744934.

The spelling of 1306928946 in words is "one billion, three hundred six million, nine hundred twenty-eight thousand, nine hundred forty-six".