1166790 has 64 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 278784.

The previous prime is 1166779. The next prime is 1166801. The reversal of 1166790 is 976611.

It is an interprime number because it is at equal distance from previous prime (1166779) and next prime (1166801).

It is a super-2 number, since 2×1166790² = 2722797808200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13066 + ... + 13154.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2^1166790 is an apocalyptic number.

1166790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555200).

1166790 is an abundant number, since it is smaller than the sum of its proper divisors (1943610).

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

1166790 is a wasteful number, since it uses less digits than its factorization.

1166790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1166790 is about 1080.1805404653. The cubic root of 1166790 is about 105.2763694382.

The spelling of 1166790 in words is "one million, one hundred sixty-six thousand, seven hundred ninety".