1385233326 has 80 divisors (see below), whose sum is σ = 3233755008. Its totient is φ = 442713600.

The previous prime is 1385233307. The next prime is 1385233393. The reversal of 1385233326 is 6233325831.

It is a super-2 number, since 2×1385233326² = 3837742734922044552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 566266 + ... + 568706.

Almost surely, 2^1385233326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385233326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616877504).

1385233326 is an abundant number, since it is smaller than the sum of its proper divisors (1848521682).

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

1385233326 is a wasteful number, since it uses less digits than its factorization.

1385233326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599 (or 2590 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 1385233326 is about 37218.7227884032. The cubic root of 1385233326 is about 1114.7418617230.

The spelling of 1385233326 in words is "one billion, three hundred eighty-five million, two hundred thirty-three thousand, three hundred twenty-six".