402236 has 6 divisors (see below), whose sum is σ = 703920. Its totient is φ = 201116.

The previous prime is 402223. The next prime is 402239. The reversal of 402236 is 632204.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50276 + ... + 50283.

It is an arithmetic number, because the mean of its divisors is an integer number (117320).

2⁴⁰²²³⁶ is an apocalyptic number.

It is an amenable number.

402236 is a deficient number, since it is larger than the sum of its proper divisors (301684).

402236 is a wasteful number, since it uses less digits than its factorization.

402236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100563 (or 100561 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 402236 is about 634.2207817472. The cubic root of 402236 is about 73.8176665182.

The spelling of 402236 in words is "four hundred two thousand, two hundred thirty-six".