402348 has 12 divisors (see below), whose sum is σ = 938840. Its totient is φ = 134112.

The previous prime is 402343. The next prime is 402359. The reversal of 402348 is 843204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

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 (402341) by changing a digit.

402348 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, 16753 + ... + 16776.

2⁴⁰²³⁴⁸ is an apocalyptic number.

It is an amenable number.

402348 is an abundant number, since it is smaller than the sum of its proper divisors (536492).

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

402348 is a wasteful number, since it uses less digits than its factorization.

402348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33536 (or 33534 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 402348 is about 634.3090729290. The cubic root of 402348 is about 73.8245172322.

The spelling of 402348 in words is "four hundred two thousand, three hundred forty-eight".