1676009 has 4 divisors (see below), whose sum is σ = 1764240. Its totient is φ = 1587780.

The previous prime is 1675991. The next prime is 1676023. The reversal of 1676009 is 9006761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9006761 = 1907 ⋅4723.

It is a cyclic number.

It is not a de Polignac number, because 1676009 - 2¹⁶ = 1610473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44087 + ... + 44124.

It is an arithmetic number, because the mean of its divisors is an integer number (441060).

2^1676009 is an apocalyptic number.

1676009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1676009 is a deficient number, since it is larger than the sum of its proper divisors (88231).

1676009 is an equidigital number, since it uses as much as digits as its factorization.

1676009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88230.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1676009 is about 1294.6076625758. The cubic root of 1676009 is about 118.7842287294.

The spelling of 1676009 in words is "one million, six hundred seventy-six thousand, nine".