1085437 has 4 divisors (see below), whose sum is σ = 1100380. Its totient is φ = 1070496.

The previous prime is 1085431. The next prime is 1085443. The reversal of 1085437 is 7345801.

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

It is an interprime number because it is at equal distance from previous prime (1085431) and next prime (1085443).

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 657721 = 654^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085437 - 2³ = 1085429 is a prime.

It is a Duffinian number.

1085437 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7362 + ... + 7507.

It is an arithmetic number, because the mean of its divisors is an integer number (275095).

2^1085437 is an apocalyptic number.

It is an amenable number.

1085437 is a deficient number, since it is larger than the sum of its proper divisors (14943).

1085437 is an equidigital number, since it uses as much as digits as its factorization.

1085437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14942.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1085437 is about 1041.8430783952. The cubic root of 1085437 is about 102.7704379359.

The spelling of 1085437 in words is "one million, eighty-five thousand, four hundred thirty-seven".