1706145 has 16 divisors (see below), whose sum is σ = 3120000. Its totient is φ = 779904.

The previous prime is 1706141. The next prime is 1706153. The reversal of 1706145 is 5416071.

It is not a de Polignac number, because 1706145 - 2² = 1706141 is a prime.

It is a super-2 number, since 2×1706145² = 5821861522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1706141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8020 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (195000).

2^1706145 is an apocalyptic number.

1706145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1706145 is a deficient number, since it is larger than the sum of its proper divisors (1413855).

1706145 is a wasteful number, since it uses less digits than its factorization.

1706145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16264.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1706145 is about 1306.1948552953. The cubic root of 1706145 is about 119.4919492951.

The spelling of 1706145 in words is "one million, seven hundred six thousand, one hundred forty-five".