964557 has 12 divisors (see below), whose sum is σ = 1520064. Its totient is φ = 584520.

The previous prime is 964531. The next prime is 964559. The reversal of 964557 is 755469.

964557 is a `hidden beast` number, since 9 + 645 + 5 + 7 = 666.

It is not a de Polignac number, because 964557 - 2¹¹ = 962509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4773 + ... + 4970.

It is an arithmetic number, because the mean of its divisors is an integer number (126672).

2⁹⁶⁴⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

964557 is a deficient number, since it is larger than the sum of its proper divisors (555507).

964557 is a wasteful number, since it uses less digits than its factorization.

964557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760 (or 9757 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 964557 is about 982.1186282726. The cubic root of 964557 is about 98.8043273141.

It can be divided in two parts, 964 and 557, that added together give a square (1521 = 39²).

The spelling of 964557 in words is "nine hundred sixty-four thousand, five hundred fifty-seven".