1038328765 has 8 divisors (see below), whose sum is σ = 1248234840. Its totient is φ = 829169472.

The previous prime is 1038328757. The next prime is 1038328769. The reversal of 1038328765 is 5678238301.

It can be written as a sum of positive squares in 4 ways, for example, as 178783641 + 859545124 = 13371^2 + 29318^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1038328765 - 2³ = 1038328757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038328769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183630 + ... + 189199.

It is an arithmetic number, because the mean of its divisors is an integer number (156029355).

Almost surely, 2^1038328765 is an apocalyptic number.

It is an amenable number.

1038328765 is a deficient number, since it is larger than the sum of its proper divisors (209906075).

1038328765 is an equidigital number, since it uses as much as digits as its factorization.

1038328765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373391.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 1038328765 is about 32223.1091764901. The cubic root of 1038328765 is about 1012.6164117535.

The spelling of 1038328765 in words is "one billion, thirty-eight million, three hundred twenty-eight thousand, seven hundred sixty-five".