1676609 has 4 divisors (see below), whose sum is σ = 1829040. Its totient is φ = 1524180.

The previous prime is 1676599. The next prime is 1676611. The reversal of 1676609 is 9066761.

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.

It is a cyclic number.

It is not a de Polignac number, because 1676609 - 2⁴ = 1676593 is a prime.

It is a super-2 number, since 2×1676609² = 5622035477762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1676629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76199 + ... + 76220.

It is an arithmetic number, because the mean of its divisors is an integer number (457260).

2^1676609 is an apocalyptic number.

It is an amenable number.

1676609 is a deficient number, since it is larger than the sum of its proper divisors (152431).

1676609 is a wasteful number, since it uses less digits than its factorization.

1676609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152430.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1676609 is about 1294.8393722775. The cubic root of 1676609 is about 118.7984016911.

It can be divided in two parts, 167 and 6609, that added together give a palindrome (6776).

The spelling of 1676609 in words is "one million, six hundred seventy-six thousand, six hundred nine".