613956 has 24 divisors (see below), whose sum is σ = 1637440. Its totient is φ = 175392.

The previous prime is 613903. The next prime is 613957. The reversal of 613956 is 659316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (613957) by changing a digit.

613956 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571 + ... + 3738.

2⁶¹³⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

613956 is an abundant number, since it is smaller than the sum of its proper divisors (1023484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613956 is a wasteful number, since it uses less digits than its factorization.

613956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323 (or 7321 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 613956 is about 783.5534442525. The cubic root of 613956 is about 84.9922022835.

Adding to 613956 its product of digits (4860), we get a palindrome (618816).

The spelling of 613956 in words is "six hundred thirteen thousand, nine hundred fifty-six".