1049820 has 24 divisors (see below), whose sum is σ = 2939664. Its totient is φ = 279936.

The previous prime is 1049809. The next prime is 1049821. The reversal of 1049820 is 289401.

It is a super-2 number, since 2×1049820² = 2204244064800, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 0 + 4¹⁰ + 9³ + 8³ + 2 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049821) 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, 8689 + ... + 8808.

It is an arithmetic number, because the mean of its divisors is an integer number (122486).

2^1049820 is an apocalyptic number.

1049820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049820 is an abundant number, since it is smaller than the sum of its proper divisors (1889844).

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

1049820 is a wasteful number, since it uses less digits than its factorization.

1049820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17509 (or 17507 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1049820 is about 1024.6072418249. The cubic root of 1049820 is about 101.6338273704.

The spelling of 1049820 in words is "one million, forty-nine thousand, eight hundred twenty".