964857 has 4 divisors (see below), whose sum is σ = 1286480. Its totient is φ = 643236.

The previous prime is 964829. The next prime is 964861. The reversal of 964857 is 758469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758469 = 3 ⋅252823.

It is not a de Polignac number, because 964857 - 2⁶ = 964793 is a prime.

It is a d-powerful number, because it can be written as 9⁵ + 6² + 8 + 4⁶ + 5⁷ + 7⁷ .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964897) 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 3 ways as a sum of consecutive naturals, for example, 160807 + ... + 160812.

It is an arithmetic number, because the mean of its divisors is an integer number (321620).

2⁹⁶⁴⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

964857 is a deficient number, since it is larger than the sum of its proper divisors (321623).

964857 is a wasteful number, since it uses less digits than its factorization.

964857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321622.

The product of its digits is 60480, while the sum is 39.

The square root of 964857 is about 982.2713474392. The cubic root of 964857 is about 98.8145697451.

The spelling of 964857 in words is "nine hundred sixty-four thousand, eight hundred fifty-seven".