1338574864 has 80 divisors (see below), whose sum is σ = 2931312384. Its totient is φ = 586857600.

The previous prime is 1338574859. The next prime is 1338574873. The reversal of 1338574864 is 4684758331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627079 + ... + 629209.

Almost surely, 2^1338574864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338574864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465656192).

1338574864 is an abundant number, since it is smaller than the sum of its proper divisors (1592737520).

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

1338574864 is a wasteful number, since it uses less digits than its factorization.

1338574864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2270 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 1338574864 is about 36586.5393826746. The cubic root of 1338574864 is about 1102.0827932434.

The spelling of 1338574864 in words is "one billion, three hundred thirty-eight million, five hundred seventy-four thousand, eight hundred sixty-four".