402116 has 48 divisors (see below), whose sum is σ = 893760. Its totient is φ = 155520.

The previous prime is 402107. The next prime is 402131. The reversal of 402116 is 611204.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 402116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10850 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (18620).

2⁴⁰²¹¹⁶ is an apocalyptic number.

It is an amenable number.

402116 is an abundant number, since it is smaller than the sum of its proper divisors (491644).

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

402116 is a wasteful number, since it uses less digits than its factorization.

402116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 402116 is about 634.1261704109. The cubic root of 402116 is about 73.8103250561.

The spelling of 402116 in words is "four hundred two thousand, one hundred sixteen".