676369 has 4 divisors (see below), whose sum is σ = 681444. Its totient is φ = 671296.

The previous prime is 676363. The next prime is 676373. The reversal of 676369 is 963676.

676369 = T₆₇₀ + T₆₇₁ + T₆₇₂.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 330625 = 588^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 676369 - 2⁵ = 676337 is a prime.

It is a super-2 number, since 2×676369² = 914950048322, which contains 22 as substring.

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

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (676363) 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 3 ways as a sum of consecutive naturals, for example, 2332 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (170361).

2⁶⁷⁶³⁶⁹ is an apocalyptic number.

676369 is the 672-nd centered triangular number.

It is an amenable number.

676369 is a deficient number, since it is larger than the sum of its proper divisors (5075).

676369 is a wasteful number, since it uses less digits than its factorization.

676369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074.

The product of its digits is 40824, while the sum is 37.

The square root of 676369 is about 822.4165611173. The cubic root of 676369 is about 87.7797955111.

The spelling of 676369 in words is "six hundred seventy-six thousand, three hundred sixty-nine".