1000790 has 48 divisors (see below), whose sum is σ = 2257632. Its totient is φ = 311808.

The previous prime is 1000777. The next prime is 1000793. The reversal of 1000790 is 970001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34496 + ... + 34524.

It is an arithmetic number, because the mean of its divisors is an integer number (47034).

2^1000790 is an apocalyptic number.

1000790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000790 is an abundant number, since it is smaller than the sum of its proper divisors (1256842).

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

1000790 is a wasteful number, since it uses less digits than its factorization.

1000790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 1000790 is about 1000.3949220183. The cubic root of 1000790 is about 100.0263264019.

Adding to 1000790 its reverse (970001), we get a palindrome (1970791).

The spelling of 1000790 in words is "one million, seven hundred ninety", and thus it is an aban number.