1086340 has 24 divisors (see below), whose sum is σ = 2361240. Its totient is φ = 419328.

The previous prime is 1086331. The next prime is 1086343. The reversal of 1086340 is 436801.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 1085764 = 24^2 + 1042^2 .

It is not an unprimeable number, because it can be changed into a prime (1086343) 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, 357 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (98385).

2^1086340 is an apocalyptic number.

1086340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1086340 is an abundant number, since it is smaller than the sum of its proper divisors (1274900).

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

1086340 is a wasteful number, since it uses less digits than its factorization.

1086340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1086340 is about 1042.2763549079. The cubic root of 1086340 is about 102.7989290668.

Subtracting from 1086340 its product of nonzero digits (576), we obtain a square (1085764 = 1042²).

The spelling of 1086340 in words is "one million, eighty-six thousand, three hundred forty".