964489 has 4 divisors (see below), whose sum is σ = 968320. Its totient is φ = 960660.

The previous prime is 964463. The next prime is 964499. The reversal of 964489 is 984469.

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 964489 - 2¹¹ = 962441 is a prime.

It is a super-2 number, since 2×964489² = 1860478062242, which contains 22 as substring.

It is a Duffinian number.

964489 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964499) 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, 1509 + ... + 2050.

It is an arithmetic number, because the mean of its divisors is an integer number (242080).

2⁹⁶⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

964489 is a deficient number, since it is larger than the sum of its proper divisors (3831).

964489 is a wasteful number, since it uses less digits than its factorization.

964489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830.

The product of its digits is 62208, while the sum is 40.

The square root of 964489 is about 982.0840086266. The cubic root of 964489 is about 98.8020054011.

The spelling of 964489 in words is "nine hundred sixty-four thousand, four hundred eighty-nine".