802406 has 8 divisors (see below), whose sum is σ = 1313064. Its totient is φ = 364720.

The previous prime is 802387. The next prime is 802421. The reversal of 802406 is 604208.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 802406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18215 + ... + 18258.

It is an arithmetic number, because the mean of its divisors is an integer number (164133).

2⁸⁰²⁴⁰⁶ is an apocalyptic number.

802406 is a deficient number, since it is larger than the sum of its proper divisors (510658).

802406 is a wasteful number, since it uses less digits than its factorization.

802406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36486.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 802406 is about 895.7711761382. The cubic root of 802406 is about 92.9247473874.

The spelling of 802406 in words is "eight hundred two thousand, four hundred six".