402118 has 8 divisors (see below), whose sum is σ = 638712. Its totient is φ = 189216.

The previous prime is 402107. The next prime is 402131. The reversal of 402118 is 811204.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

402118 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 3 ways as a sum of consecutive naturals, for example, 5880 + ... + 5947.

It is an arithmetic number, because the mean of its divisors is an integer number (79839).

2⁴⁰²¹¹⁸ is an apocalyptic number.

402118 is a deficient number, since it is larger than the sum of its proper divisors (236594).

402118 is a wasteful number, since it uses less digits than its factorization.

402118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 402118 is about 634.1277473822. The cubic root of 402118 is about 73.8104474258.

The spelling of 402118 in words is "four hundred two thousand, one hundred eighteen".