1087329 has 4 divisors (see below), whose sum is σ = 1449776. Its totient is φ = 724884.

The previous prime is 1087309. The next prime is 1087349. The reversal of 1087329 is 9237801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1087309) and next prime (1087349).

It is not a de Polignac number, because 1087329 - 2⁹ = 1086817 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1087296 and 1087305.

It is not an unprimeable number, because it can be changed into a prime (1087309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181219 + ... + 181224.

It is an arithmetic number, because the mean of its divisors is an integer number (362444).

2^1087329 is an apocalyptic number.

It is an amenable number.

1087329 is a deficient number, since it is larger than the sum of its proper divisors (362447).

1087329 is an equidigital number, since it uses as much as digits as its factorization.

1087329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362446.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1087329 is about 1042.7506892829. The cubic root of 1087329 is about 102.8301155288.

The spelling of 1087329 in words is "one million, eighty-seven thousand, three hundred twenty-nine".