1166940 has 48 divisors (see below), whose sum is σ = 3632160. Its totient is φ = 311040.

The previous prime is 1166929. The next prime is 1166947. The reversal of 1166940 is 496611.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166947) 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 15 ways as a sum of consecutive naturals, for example, 541 + ... + 1620.

It is an arithmetic number, because the mean of its divisors is an integer number (75670).

2^1166940 is an apocalyptic number.

1166940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166940 is an abundant number, since it is smaller than the sum of its proper divisors (2465220).

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

1166940 is a wasteful number, since it uses less digits than its factorization.

1166940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1166940 is about 1080.2499710715. The cubic root of 1166940 is about 105.2808806124.

It can be divided in two parts, 116 and 6940, that added together give a square (7056 = 84²).

The spelling of 1166940 in words is "one million, one hundred sixty-six thousand, nine hundred forty".