964839 has 8 divisors (see below), whose sum is σ = 1354240. Its totient is φ = 609336.

The previous prime is 964829. The next prime is 964861. The reversal of 964839 is 938469.

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

It is not a de Polignac number, because 964839 - 2⁴ = 964823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 964797 and 964806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8407 + ... + 8520.

It is an arithmetic number, because the mean of its divisors is an integer number (169280).

2⁹⁶⁴⁸³⁹ is an apocalyptic number.

964839 is a deficient number, since it is larger than the sum of its proper divisors (389401).

964839 is a wasteful number, since it uses less digits than its factorization.

964839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16949.

The product of its digits is 46656, while the sum is 39.

The square root of 964839 is about 982.2621849588. The cubic root of 964839 is about 98.8139552591.

The spelling of 964839 in words is "nine hundred sixty-four thousand, eight hundred thirty-nine".