1046909 has 4 divisors (see below), whose sum is σ = 1066716. Its totient is φ = 1027104.

The previous prime is 1046897. The next prime is 1046917. The reversal of 1046909 is 9096401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9096401 = 29 ⋅313669.

It can be written as a sum of positive squares in 2 ways, for example, as 525625 + 521284 = 725^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046909 - 2¹⁶ = 981373 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 (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, 9824 + ... + 9929.

It is an arithmetic number, because the mean of its divisors is an integer number (266679).

2^1046909 is an apocalyptic number.

It is an amenable number.

1046909 is a deficient number, since it is larger than the sum of its proper divisors (19807).

1046909 is an equidigital number, since it uses as much as digits as its factorization.

1046909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19806.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1046909 is about 1023.1857113936. The cubic root of 1046909 is about 101.5398017441.

The spelling of 1046909 in words is "one million, forty-six thousand, nine hundred nine".