402854 has 8 divisors (see below), whose sum is σ = 613008. Its totient is φ = 198520.

The previous prime is 402851. The next prime is 402859. The reversal of 402854 is 458204.

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

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 402854.

It is not an unprimeable number, because it can be changed into a prime (402851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (76626).

2⁴⁰²⁸⁵⁴ is an apocalyptic number.

402854 is a deficient number, since it is larger than the sum of its proper divisors (210154).

402854 is a wasteful number, since it uses less digits than its factorization.

402854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 402854 is about 634.7078067899. The cubic root of 402854 is about 73.8554519431.

The spelling of 402854 in words is "four hundred two thousand, eight hundred fifty-four".