967649 has 4 divisors (see below), whose sum is σ = 972036. Its totient is φ = 963264.

The previous prime is 967627. The next prime is 967663. The reversal of 967649 is 946769.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78400 + 889249 = 280^2 + 943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-967649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (967699) 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, 1844 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (243009).

2⁹⁶⁷⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

967649 is a deficient number, since it is larger than the sum of its proper divisors (4387).

967649 is a wasteful number, since it uses less digits than its factorization.

967649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386.

The product of its digits is 81648, while the sum is 41.

The square root of 967649 is about 983.6915166860. The cubic root of 967649 is about 98.9097909685.

The spelling of 967649 in words is "nine hundred sixty-seven thousand, six hundred forty-nine".