613678 has 8 divisors (see below), whose sum is σ = 991368. Its totient is φ = 283224.

The previous prime is 613673. The next prime is 613699. The reversal of 613678 is 876316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×613678³ = 693334670449625256, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613673) 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, 11776 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (123921).

2⁶¹³⁶⁷⁸ is an apocalyptic number.

613678 is a deficient number, since it is larger than the sum of its proper divisors (377690).

613678 is a wasteful number, since it uses less digits than its factorization.

613678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618.

The product of its digits is 6048, while the sum is 31.

The square root of 613678 is about 783.3760272053. The cubic root of 613678 is about 84.9793721571.

The spelling of 613678 in words is "six hundred thirteen thousand, six hundred seventy-eight".