969857 has 6 divisors (see below), whose sum is σ = 1128258. Its totient is φ = 831264.

The previous prime is 969851. The next prime is 969863. The reversal of 969857 is 758969.

It is an interprime number because it is at equal distance from previous prime (969851) and next prime (969863).

It can be written as a sum of positive squares in only one way, i.e., 919681 + 50176 = 959^2 + 224^2 .

It is not a de Polignac number, because 969857 - 2¹⁴ = 953473 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (969851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9848 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (188043).

2⁹⁶⁹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

969857 is a deficient number, since it is larger than the sum of its proper divisors (158401).

969857 is a wasteful number, since it uses less digits than its factorization.

969857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19807 (or 19800 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 969857 is about 984.8131802530. The cubic root of 969857 is about 98.9849652372.

The spelling of 969857 in words is "nine hundred sixty-nine thousand, eight hundred fifty-seven".