406002 has 16 divisors (see below), whose sum is σ = 819072. Its totient is φ = 134160.

The previous prime is 405997. The next prime is 406013. The reversal of 406002 is 200604.

It is an unprimeable number.

406002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (51192).

2⁴⁰⁶⁰⁰² is an apocalyptic number.

406002 is an abundant number, since it is smaller than the sum of its proper divisors (413070).

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

406002 is a wasteful number, since it uses less digits than its factorization.

406002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 406002 is about 637.1828622931. The cubic root of 406002 is about 74.0473278932.

Adding to 406002 its reverse (200604), we get a palindrome (606606).

The spelling of 406002 in words is "four hundred six thousand, two".