1087347 has 4 divisors (see below), whose sum is σ = 1449800. Its totient is φ = 724896.

The previous prime is 1087309. The next prime is 1087349. The reversal of 1087347 is 7437801.

It is a happy number.

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

It is not a de Polignac number, because 1087347 - 2⁸ = 1087091 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087349) 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 3 ways as a sum of consecutive naturals, for example, 181222 + ... + 181227.

It is an arithmetic number, because the mean of its divisors is an integer number (362450).

2^1087347 is an apocalyptic number.

1087347 is a deficient number, since it is larger than the sum of its proper divisors (362453).

1087347 is an equidigital number, since it uses as much as digits as its factorization.

1087347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362452.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 1087347 is about 1042.7593202652. The cubic root of 1087347 is about 102.8306829535.

The spelling of 1087347 in words is "one million, eighty-seven thousand, three hundred forty-seven".