1046989 has 4 divisors (see below), whose sum is σ = 1075324. Its totient is φ = 1018656.

The previous prime is 1046977. The next prime is 1046993. The reversal of 1046989 is 9896401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9896401 = 2971 ⋅3331.

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 532900 = 717^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046989 - 2¹¹ = 1044941 is a prime.

It is a super-2 number, since 2×1046989² = 2192371932242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 28297 = 1046989 / (1 + 0 + 4 + 6 + 9 + 8 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046959) 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, 14112 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (268831).

2^1046989 is an apocalyptic number.

It is an amenable number.

1046989 is a deficient number, since it is larger than the sum of its proper divisors (28335).

1046989 is an equidigital number, since it uses as much as digits as its factorization.

1046989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28334.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1046989 is about 1023.2248042341. The cubic root of 1046989 is about 101.5423880807.

The spelling of 1046989 in words is "one million, forty-six thousand, nine hundred eighty-nine".