1046665 has 4 divisors (see below), whose sum is σ = 1256004. Its totient is φ = 837328.

The previous prime is 1046659. The next prime is 1046677. The reversal of 1046665 is 5666401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 251001 = 892^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046665 - 2³ = 1046657 is a prime.

It is an Ulam number.

It is a Duffinian number.

1046665 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104662 + ... + 104671.

It is an arithmetic number, because the mean of its divisors is an integer number (314001).

2^1046665 is an apocalyptic number.

It is an amenable number.

1046665 is a deficient number, since it is larger than the sum of its proper divisors (209339).

1046665 is an equidigital number, since it uses as much as digits as its factorization.

1046665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209338.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1046665 is about 1023.0664690038. The cubic root of 1046665 is about 101.5319126036.

It can be divided in two parts, 1046 and 665, that added together give a triangular number (1711 = T₅₈).

The spelling of 1046665 in words is "one million, forty-six thousand, six hundred sixty-five".