964613 has 4 divisors (see below), whose sum is σ = 1038828. Its totient is φ = 890400.

The previous prime is 964609. The next prime is 964637. The reversal of 964613 is 316469.

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 131044 + 833569 = 362^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 964613 - 2² = 964609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964693) 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, 37088 + ... + 37113.

It is an arithmetic number, because the mean of its divisors is an integer number (259707).

2⁹⁶⁴⁶¹³ is an apocalyptic number.

It is an amenable number.

964613 is a deficient number, since it is larger than the sum of its proper divisors (74215).

964613 is a wasteful number, since it uses less digits than its factorization.

964613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74214.

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

The square root of 964613 is about 982.1471376530. The cubic root of 964613 is about 98.8062393957.

The spelling of 964613 in words is "nine hundred sixty-four thousand, six hundred thirteen".