1385233328 has 40 divisors (see below), whose sum is σ = 2804725248. Its totient is φ = 661522752.

The previous prime is 1385233307. The next prime is 1385233393. The reversal of 1385233328 is 8233325831.

It is a junction number, because it is equal to n+sod(n) for n = 1385233291 and 1385233300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287225 + ... + 292007.

Almost surely, 2^1385233328 is an apocalyptic number.

It is an amenable number.

1385233328 is an abundant number, since it is smaller than the sum of its proper divisors (1419491920).

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

1385233328 is a wasteful number, since it uses less digits than its factorization.

1385233328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601 (or 5595 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 1385233328 is about 37218.7228152713. The cubic root of 1385233328 is about 1114.7418622595.

The spelling of 1385233328 in words is "one billion, three hundred eighty-five million, two hundred thirty-three thousand, three hundred twenty-eight".