964657 has 4 divisors (see below), whose sum is σ = 966640. Its totient is φ = 962676.

The previous prime is 964637. The next prime is 964661. The reversal of 964657 is 756469.

964657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 964657 - 2¹¹ = 962609 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (964637) 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, 298 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (241660).

2⁹⁶⁴⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

964657 is a deficient number, since it is larger than the sum of its proper divisors (1983).

964657 is a wasteful number, since it uses less digits than its factorization.

964657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982.

The product of its digits is 45360, while the sum is 37.

The square root of 964657 is about 982.1695373000. The cubic root of 964657 is about 98.8077416937.

It can be divided in two parts, 96 and 4657, that added together give a triangular number (4753 = T₉₇).

The spelling of 964657 in words is "nine hundred sixty-four thousand, six hundred fifty-seven".