862404 has 12 divisors (see below), whose sum is σ = 2012304. Its totient is φ = 287464.

The previous prime is 862399. The next prime is 862409. The reversal of 862404 is 404268.

It is an interprime number because it is at equal distance from previous prime (862399) and next prime (862409).

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 862404.

It is not an unprimeable number, because it can be changed into a prime (862409) 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, 35922 + ... + 35945.

It is an arithmetic number, because the mean of its divisors is an integer number (167692).

2⁸⁶²⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

862404 is an abundant number, since it is smaller than the sum of its proper divisors (1149900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

862404 is a wasteful number, since it uses less digits than its factorization.

862404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71874 (or 71872 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 862404 is about 928.6570949495. The cubic root of 862404 is about 95.1853813205.

The spelling of 862404 in words is "eight hundred sixty-two thousand, four hundred four".