406902 has 16 divisors (see below), whose sum is σ = 825840. Its totient is φ = 133632.

The previous prime is 406883. The next prime is 406907. The reversal of 406902 is 209604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406907) by changing a digit.

406902 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 27 + ... + 902.

It is an arithmetic number, because the mean of its divisors is an integer number (51615).

2⁴⁰⁶⁹⁰² is an apocalyptic number.

406902 is an abundant number, since it is smaller than the sum of its proper divisors (418938).

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

406902 is a wasteful number, since it uses less digits than its factorization.

406902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 406902 is about 637.8887050262. Note that the first 3 decimals coincide. The cubic root of 406902 is about 74.1020020185.

The spelling of 406902 in words is "four hundred six thousand, nine hundred two".