1049691 has 8 divisors (see below), whose sum is σ = 1444864. Its totient is φ = 677160.

The previous prime is 1049687. The next prime is 1049707. The reversal of 1049691 is 1969401.

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

It is not a de Polignac number, because 1049691 - 2² = 1049687 is a prime.

It is a super-2 number, since 2×1049691² = 2203702390962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (180608).

2^1049691 is an apocalyptic number.

1049691 is a deficient number, since it is larger than the sum of its proper divisors (395173).

1049691 is a wasteful number, since it uses less digits than its factorization.

1049691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1049691 is about 1024.5442889402. The cubic root of 1049691 is about 101.6296643390.

The spelling of 1049691 in words is "one million, forty-nine thousand, six hundred ninety-one".