868403 has 8 divisors (see below), whose sum is σ = 908160. Its totient is φ = 829440.

The previous prime is 868397. The next prime is 868409. The reversal of 868403 is 304868.

It is an interprime number because it is at equal distance from previous prime (868397) and next prime (868409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868403 - 2¹² = 864307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868403.

It is not an unprimeable number, because it can be changed into a prime (868409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3251 + ... + 3507.

It is an arithmetic number, because the mean of its divisors is an integer number (113520).

2⁸⁶⁸⁴⁰³ is an apocalyptic number.

868403 is a deficient number, since it is larger than the sum of its proper divisors (39757).

868403 is a wasteful number, since it uses less digits than its factorization.

868403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 868403 is about 931.8814302260. The cubic root of 868403 is about 95.4055790358.

The spelling of 868403 in words is "eight hundred sixty-eight thousand, four hundred three".