1087586 has 4 divisors (see below), whose sum is σ = 1631382. Its totient is φ = 543792.

The previous prime is 1087561. The next prime is 1087589. The reversal of 1087586 is 6857801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 175561 = 955^2 + 419^2 .

It is not an unprimeable number, because it can be changed into a prime (1087589) 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 as a sum of consecutive naturals, namely, 271895 + ... + 271898.

2^1087586 is an apocalyptic number.

1087586 is a deficient number, since it is larger than the sum of its proper divisors (543796).

1087586 is an equidigital number, since it uses as much as digits as its factorization.

1087586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543795.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1087586 is about 1042.8739137595. The cubic root of 1087586 is about 102.8382164985.

The spelling of 1087586 in words is "one million, eighty-seven thousand, five hundred eighty-six".