402246 has 40 divisors (see below), whose sum is σ = 975744. Its totient is φ = 123120.

The previous prime is 402239. The next prime is 402253. The reversal of 402246 is 642204.

It is an interprime number because it is at equal distance from previous prime (402239) and next prime (402253).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

402246 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 19 ways as a sum of consecutive naturals, for example, 2011 + ... + 2201.

2⁴⁰²²⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487872).

402246 is an abundant number, since it is smaller than the sum of its proper divisors (573498).

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

402246 is a wasteful number, since it uses less digits than its factorization.

402246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 402246 is about 634.2286653881. The cubic root of 402246 is about 73.8182782408.

The spelling of 402246 in words is "four hundred two thousand, two hundred forty-six".