1073989 has 4 divisors (see below), whose sum is σ = 1227424. Its totient is φ = 920556.

The previous prime is 1073983. The next prime is 1074001. The reversal of 1073989 is 9893701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9893701 = 2999 ⋅3299.

It is not a de Polignac number, because 1073989 - 2¹⁵ = 1041221 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 (1073983) 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, 76707 + ... + 76720.

It is an arithmetic number, because the mean of its divisors is an integer number (306856).

2^1073989 is an apocalyptic number.

It is an amenable number.

1073989 is a deficient number, since it is larger than the sum of its proper divisors (153435).

1073989 is an equidigital number, since it uses as much as digits as its factorization.

1073989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153434.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1073989 is about 1036.3344054889. The cubic root of 1073989 is about 102.4078569106.

It can be divided in two parts, 107 and 3989, that added together give a 12-th power (4096 = 2¹²).

The spelling of 1073989 in words is "one million, seventy-three thousand, nine hundred eighty-nine".