868437 has 6 divisors (see below), whose sum is σ = 1254422. Its totient is φ = 578952.

The previous prime is 868423. The next prime is 868451. The reversal of 868437 is 734868.

It is an interprime number because it is at equal distance from previous prime (868423) and next prime (868451).

It can be written as a sum of positive squares in only one way, i.e., 599076 + 269361 = 774^2 + 519^2 .

It is not a de Polignac number, because 868437 - 2¹⁰ = 867413 is a prime.

It is a Duffinian number.

868437 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868487) 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, 48238 + ... + 48255.

2⁸⁶⁸⁴³⁷ is an apocalyptic number.

It is an amenable number.

868437 is a deficient number, since it is larger than the sum of its proper divisors (385985).

868437 is a wasteful number, since it uses less digits than its factorization.

868437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96499 (or 96496 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 868437 is about 931.8996727116. The cubic root of 868437 is about 95.4068241364.

The spelling of 868437 in words is "eight hundred sixty-eight thousand, four hundred thirty-seven".