1166340 has 48 divisors (see below), whose sum is σ = 3733632. Its totient is φ = 266496.

The previous prime is 1166329. The next prime is 1166359. The reversal of 1166340 is 436611.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 969 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (77784).

2^1166340 is an apocalyptic number.

1166340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166340 is an abundant number, since it is smaller than the sum of its proper divisors (2567292).

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

1166340 is a wasteful number, since it uses less digits than its factorization.

1166340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1166340 is about 1079.9722218650. The cubic root of 1166340 is about 105.2628335955.

The spelling of 1166340 in words is "one million, one hundred sixty-six thousand, three hundred forty".