1676369 has 4 divisors (see below), whose sum is σ = 1692144. Its totient is φ = 1660596.

The previous prime is 1676347. The next prime is 1676383. The reversal of 1676369 is 9636761.

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: 9636761 = 37 ⋅260453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1676369 is a prime.

It is a super-2 number, since 2×1676369² = 5620426048322, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676069) 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, 7727 + ... + 7940.

It is an arithmetic number, because the mean of its divisors is an integer number (423036).

2^1676369 is an apocalyptic number.

It is an amenable number.

1676369 is a deficient number, since it is larger than the sum of its proper divisors (15775).

1676369 is a wasteful number, since it uses less digits than its factorization.

1676369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15774.

The product of its digits is 40824, while the sum is 38.

The square root of 1676369 is about 1294.7466933729. The cubic root of 1676369 is about 118.7927329122.

The spelling of 1676369 in words is "one million, six hundred seventy-six thousand, three hundred sixty-nine".