1085390 has 16 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 431520.

The previous prime is 1085389. The next prime is 1085407. The reversal of 1085390 is 935801.

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 7 ways as a sum of consecutive naturals, for example, 2936 + ... + 3284.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2^1085390 is an apocalyptic number.

1085390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085390 is a deficient number, since it is larger than the sum of its proper divisors (880210).

1085390 is a wasteful number, since it uses less digits than its factorization.

1085390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1085390 is about 1041.8205219710. The cubic root of 1085390 is about 102.7689545763.

The spelling of 1085390 in words is "one million, eighty-five thousand, three hundred ninety".