402237 has 24 divisors (see below), whose sum is σ = 673920. Its totient is φ = 228480.

The previous prime is 402223. The next prime is 402239. The reversal of 402237 is 732204.

It is a happy number.

It is not a de Polignac number, because 402237 - 2⁴ = 402221 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402237.

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 in 23 ways as a sum of consecutive naturals, for example, 1564 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁴⁰²²³⁷ is an apocalyptic number.

It is an amenable number.

402237 is a deficient number, since it is larger than the sum of its proper divisors (271683).

402237 is a wasteful number, since it uses less digits than its factorization.

402237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 402237 is about 634.2215701157. The cubic root of 402237 is about 73.8177276909.

The spelling of 402237 in words is "four hundred two thousand, two hundred thirty-seven".