1085670 has 32 divisors (see below), whose sum is σ = 2895840. Its totient is φ = 289440.

The previous prime is 1085663. The next prime is 1085677. The reversal of 1085670 is 765801.

It is an interprime number because it is at equal distance from previous prime (1085663) and next prime (1085677).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (90495).

2^1085670 is an apocalyptic number.

1085670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085670 is an abundant number, since it is smaller than the sum of its proper divisors (1810170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1085670 is a wasteful number, since it uses less digits than its factorization.

1085670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1085670 is about 1041.9548934575. The cubic root of 1085670 is about 102.7777909802. Note that the first 4 decimals are identical.

It can be divided in two parts, 108 and 5670, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 1085670 in words is "one million, eighty-five thousand, six hundred seventy".