1049491 has 4 divisors (see below), whose sum is σ = 1059984. Its totient is φ = 1039000.

The previous prime is 1049483. The next prime is 1049497. The reversal of 1049491 is 1949401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1949401 = 101 ⋅19301.

It is a cyclic number.

It is not a de Polignac number, because 1049491 - 2³ = 1049483 is a prime.

It is a super-3 number, since 3×1049491³ = 3467826895419833313, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049497) 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 3 ways as a sum of consecutive naturals, for example, 5095 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (264996).

2^1049491 is an apocalyptic number.

1049491 is a deficient number, since it is larger than the sum of its proper divisors (10493).

1049491 is a wasteful number, since it uses less digits than its factorization.

1049491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10492.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1049491 is about 1024.4466799204. The cubic root of 1049491 is about 101.6232093524.

It can be divided in two parts, 10494 and 91, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 1049491 in words is "one million, forty-nine thousand, four hundred ninety-one".