969657 has 24 divisors (see below), whose sum is σ = 1486464. Its totient is φ = 558624.

The previous prime is 969641. The next prime is 969667. The reversal of 969657 is 756969.

It is not a de Polignac number, because 969657 - 2⁴ = 969641 is a prime.

It is an Ulam number.

969657 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (969637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20608 + ... + 20654.

It is an arithmetic number, because the mean of its divisors is an integer number (61936).

2⁹⁶⁹⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

969657 is a deficient number, since it is larger than the sum of its proper divisors (516807).

969657 is a wasteful number, since it uses less digits than its factorization.

969657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 86 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 969657 is about 984.7116329160. The cubic root of 969657 is about 98.9781606759.

The spelling of 969657 in words is "nine hundred sixty-nine thousand, six hundred fifty-seven".