964651 has 4 divisors (see below), whose sum is σ = 974304. Its totient is φ = 955000.

The previous prime is 964637. The next prime is 964661. The reversal of 964651 is 156469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156469 = 23 ⋅6803.

It is a cyclic number.

It is not a de Polignac number, because 964651 - 2¹¹ = 962603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4675 + ... + 4876.

It is an arithmetic number, because the mean of its divisors is an integer number (243576).

2⁹⁶⁴⁶⁵¹ is an apocalyptic number.

964651 is a deficient number, since it is larger than the sum of its proper divisors (9653).

964651 is a wasteful number, since it uses less digits than its factorization.

964651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652.

The product of its digits is 6480, while the sum is 31.

The square root of 964651 is about 982.1664828327. The cubic root of 964651 is about 98.8075368376.

The spelling of 964651 in words is "nine hundred sixty-four thousand, six hundred fifty-one".