1038385507 has 4 divisors (see below), whose sum is σ = 1052610040. Its totient is φ = 1024160976.

The previous prime is 1038385477. The next prime is 1038385519. The reversal of 1038385507 is 7055838301.

1038385507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7055838301 = 29 ⋅243304769.

It is a cyclic number.

It is not a de Polignac number, because 1038385507 - 2¹⁵ = 1038352739 is a prime.

It is a super-4 number, since 4×1038385507⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1038385507.

It is not an unprimeable number, because it can be changed into a prime (1038380507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7112157 + ... + 7112302.

It is an arithmetic number, because the mean of its divisors is an integer number (263152510).

Almost surely, 2^1038385507 is an apocalyptic number.

1038385507 is a deficient number, since it is larger than the sum of its proper divisors (14224533).

1038385507 is an equidigital number, since it uses as much as digits as its factorization.

1038385507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224532.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 1038385507 is about 32223.9896195366. The cubic root of 1038385507 is about 1012.6348570462.

The spelling of 1038385507 in words is "one billion, thirty-eight million, three hundred eighty-five thousand, five hundred seven".