862969 has 4 divisors (see below), whose sum is σ = 865396. Its totient is φ = 860544.

The previous prime is 862957. The next prime is 862973. The reversal of 862969 is 969268.

It is a happy number.

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 344569 + 518400 = 587^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 862969 - 2¹¹ = 860921 is a prime.

It is a super-2 number, since 2×862969² = 1489430989922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (862909) 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, 564 + ... + 1429.

It is an arithmetic number, because the mean of its divisors is an integer number (216349).

2⁸⁶²⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

862969 is a deficient number, since it is larger than the sum of its proper divisors (2427).

862969 is a wasteful number, since it uses less digits than its factorization.

862969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its digits is 46656, while the sum is 40.

The square root of 862969 is about 928.9612478462. The cubic root of 862969 is about 95.2061635371.

It can be divided in two parts, 862 and 969, that multiplied together give a triangular number (835278 = T₁₂₉₂).

The spelling of 862969 in words is "eight hundred sixty-two thousand, nine hundred sixty-nine".