964609 has 2 divisors, whose sum is σ = 964610. Its totient is φ = 964608.

The previous prime is 964589. The next prime is 964637. The reversal of 964609 is 906469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804609 + 160000 = 897^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 964609 - 2⁵ = 964577 is a prime.

It is not a weakly prime, because it can be changed into another prime (964679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482304 + 482305.

It is an arithmetic number, because the mean of its divisors is an integer number (482305).

It is a Proth number, since it is equal to 471 ⋅ 2¹¹ + 1 and 471 < 2¹¹.

2⁹⁶⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

964609 is a deficient number, since it is larger than the sum of its proper divisors (1).

964609 is an equidigital number, since it uses as much as digits as its factorization.

964609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 964609 is about 982.1451012961. The cubic root of 964609 is about 98.8061028209.

It can be divided in two parts, 96460 and 9, that added together give a palindrome (96469).

The spelling of 964609 in words is "nine hundred sixty-four thousand, six hundred nine".