1085398 has 8 divisors (see below), whose sum is σ = 1633392. Its totient is φ = 540936.

The previous prime is 1085389. The next prime is 1085407. The reversal of 1085398 is 8935801.

It is an interprime number because it is at equal distance from previous prime (1085389) and next prime (1085407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 111 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (204174).

2^1085398 is an apocalyptic number.

1085398 is a deficient number, since it is larger than the sum of its proper divisors (547994).

1085398 is a wasteful number, since it uses less digits than its factorization.

1085398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1085398 is about 1041.8243613969. The cubic root of 1085398 is about 102.7692070661.

The spelling of 1085398 in words is "one million, eighty-five thousand, three hundred ninety-eight".