1186340 has 24 divisors (see below), whose sum is σ = 2600640. Its totient is φ = 453728.

The previous prime is 1186337. The next prime is 1186349. The reversal of 1186340 is 436811.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1186349) 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, 830 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (108360).

2^1186340 is an apocalyptic number.

1186340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1186340 is an abundant number, since it is smaller than the sum of its proper divisors (1414300).

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

1186340 is a wasteful number, since it uses less digits than its factorization.

1186340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1186340 is about 1089.1923613394. The cubic root of 1186340 is about 105.8610972825.

The spelling of 1186340 in words is "one million, one hundred eighty-six thousand, three hundred forty".