1039889117 has 4 divisors (see below), whose sum is σ = 1039961436. Its totient is φ = 1039816800.

The previous prime is 1039889089. The next prime is 1039889173. The reversal of 1039889117 is 7119889301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 134420836 + 905468281 = 11594^2 + 30091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039889117 - 2¹⁴ = 1039872733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039889177) 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, 6458 + ... + 46059.

It is an arithmetic number, because the mean of its divisors is an integer number (259990359).

Almost surely, 2^1039889117 is an apocalyptic number.

It is an amenable number.

1039889117 is a deficient number, since it is larger than the sum of its proper divisors (72319).

1039889117 is an equidigital number, since it uses as much as digits as its factorization.

1039889117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72318.

The product of its (nonzero) digits is 108864, while the sum is 47.

The square root of 1039889117 is about 32247.3117794336. The cubic root of 1039889117 is about 1013.1233954397.

The spelling of 1039889117 in words is "one billion, thirty-nine million, eight hundred eighty-nine thousand, one hundred seventeen".