1048840 has 32 divisors (see below), whose sum is σ = 2542680. Its totient is φ = 387072.

The previous prime is 1048837. The next prime is 1048847. The reversal of 1048840 is 488401.

It can be written as a sum of positive squares in 4 ways, for example, as 835396 + 213444 = 914^2 + 462^2 .

It is a super-2 number, since 2×1048840² = 2200130691200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048847) 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 7 ways as a sum of consecutive naturals, for example, 489 + ... + 1528.

2^1048840 is an apocalyptic number.

1048840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1048840 is an abundant number, since it is smaller than the sum of its proper divisors (1493840).

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

1048840 is a wasteful number, since it uses less digits than its factorization.

1048840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1048840 is about 1024.1288981373. The cubic root of 1048840 is about 101.6021926904.

The spelling of 1048840 in words is "one million, forty-eight thousand, eight hundred forty".