1049090 has 24 divisors (see below), whose sum is σ = 2197692. Its totient is φ = 359520.

The previous prime is 1049089. The next prime is 1049093. The reversal of 1049090 is 909401.

It can be written as a sum of positive squares in 2 ways, for example, as 1002001 + 47089 = 1001^2 + 217^2 .

It is a super-2 number, since 2×1049090² = 2201179656200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581 + ... + 1560.

2^1049090 is an apocalyptic number.

1049090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1049090 is an abundant number, since it is smaller than the sum of its proper divisors (1148602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1049090 is a wasteful number, since it uses less digits than its factorization.

1049090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1049090 is about 1024.2509458136. The cubic root of 1049090 is about 101.6102646335.

The spelling of 1049090 in words is "one million, forty-nine thousand, ninety".