1039889 has 8 divisors (see below), whose sum is σ = 1104000. Its totient is φ = 976752.

The previous prime is 1039837. The next prime is 1039891. The reversal of 1039889 is 9889301.

1039889 = T₇₄ + T₇₅ + ... + T₁₈₇.

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

It is a de Polignac number, because none of the positive numbers 2^k-1039889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039289) 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, 4232 + ... + 4470.

It is an arithmetic number, because the mean of its divisors is an integer number (138000).

2^1039889 is an apocalyptic number.

1039889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1039889 is a deficient number, since it is larger than the sum of its proper divisors (64111).

1039889 is a wasteful number, since it uses less digits than its factorization.

1039889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1039889 is about 1019.7494790388. The cubic root of 1039889 is about 101.3123357444.

The spelling of 1039889 in words is "one million, thirty-nine thousand, eight hundred eighty-nine".