1685106 has 24 divisors (see below), whose sum is σ = 3678480. Its totient is φ = 557496.

The previous prime is 1685093. The next prime is 1685107. The reversal of 1685106 is 6015861.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1685106.

It is not an unprimeable number, because it can be changed into a prime (1685107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2961 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (153270).

2^1685106 is an apocalyptic number.

1685106 is an abundant number, since it is smaller than the sum of its proper divisors (1993374).

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

1685106 is a wasteful number, since it uses less digits than its factorization.

1685106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1685106 is about 1298.1163276070. The cubic root of 1685106 is about 118.9987524291.

The spelling of 1685106 in words is "one million, six hundred eighty-five thousand, one hundred six".