613964 has 12 divisors (see below), whose sum is σ = 1157184. Its totient is φ = 283344.

The previous prime is 613957. The next prime is 613967. The reversal of 613964 is 469316.

613964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (613967) 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, 5852 + ... + 5955.

It is an arithmetic number, because the mean of its divisors is an integer number (96432).

2⁶¹³⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

613964 is a deficient number, since it is larger than the sum of its proper divisors (543220).

613964 is a wasteful number, since it uses less digits than its factorization.

613964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824 (or 11822 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 613964 is about 783.5585491844. The cubic root of 613964 is about 84.9925714385.

The spelling of 613964 in words is "six hundred thirteen thousand, nine hundred sixty-four".