1239485328 has 50 divisors (see below), whose sum is σ = 3587433894. Its totient is φ = 413161344.

The previous prime is 1239485297. The next prime is 1239485383. The reversal of 1239485328 is 8235849321.

1239485328 is a `hidden beast` number, since 1 + 23 + 94 + 8 + 532 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 686859264 + 552626064 = 26208^2 + 23508^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 476901 + ... + 479492.

Almost surely, 2^1239485328 is an apocalyptic number.

1239485328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1239485328 is an abundant number, since it is smaller than the sum of its proper divisors (2347948566).

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

1239485328 is an equidigital number, since it uses as much as digits as its factorization.

1239485328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956413 (or 956398 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 1239485328 is about 35206.3251135361. The cubic root of 1239485328 is about 1074.1884129981.

The spelling of 1239485328 in words is "one billion, two hundred thirty-nine million, four hundred eighty-five thousand, three hundred twenty-eight".