613669 has 8 divisors (see below), whose sum is σ = 725760. Its totient is φ = 507696.

The previous prime is 613667. The next prime is 613673. The reversal of 613669 is 966316.

613669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 613669 - 2¹ = 613667 is a prime.

It is a super-2 number, since 2×613669² = 753179283122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 613669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2⁶¹³⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

613669 is a deficient number, since it is larger than the sum of its proper divisors (112091).

613669 is a wasteful number, since it uses less digits than its factorization.

613669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059.

The product of its digits is 5832, while the sum is 31.

The square root of 613669 is about 783.3702828165. The cubic root of 613669 is about 84.9789567285.

The spelling of 613669 in words is "six hundred thirteen thousand, six hundred sixty-nine".