1038340536 has 128 divisors (see below), whose sum is σ = 2759823360. Its totient is φ = 325094400.

The previous prime is 1038340493. The next prime is 1038340559. The reversal of 1038340536 is 6350438301.

It is a junction number, because it is equal to n+sod(n) for n = 1038340497 and 1038340506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6217525 + ... + 6217691.

It is an arithmetic number, because the mean of its divisors is an integer number (21561120).

Almost surely, 2^1038340536 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 1038340536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379911680).

1038340536 is an abundant number, since it is smaller than the sum of its proper divisors (1721482824).

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

1038340536 is a wasteful number, since it uses less digits than its factorization.

1038340536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1038340536 is about 32223.2918243931. The cubic root of 1038340536 is about 1012.6202382432.

Adding to 1038340536 its reverse (6350438301), we get a palindrome (7388778837).

The spelling of 1038340536 in words is "one billion, thirty-eight million, three hundred forty thousand, five hundred thirty-six".