402338 has 8 divisors (see below), whose sum is σ = 619932. Its totient is φ = 195696.

The previous prime is 402331. The next prime is 402341. The reversal of 402338 is 833204.

It can be written as a sum of positive squares in 2 ways, for example, as 375769 + 26569 = 613^2 + 163^2 .

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

It is not an unprimeable number, because it can be changed into a prime (402331) by changing a digit.

402338 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, 2645 + ... + 2792.

2⁴⁰²³³⁸ is an apocalyptic number.

402338 is a deficient number, since it is larger than the sum of its proper divisors (217594).

402338 is a wasteful number, since it uses less digits than its factorization.

402338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 402338 is about 634.3011902874. The cubic root of 402338 is about 73.8239056130.

The spelling of 402338 in words is "four hundred two thousand, three hundred thirty-eight".