402814 has 16 divisors (see below), whose sum is σ = 639360. Its totient is φ = 190080.

The previous prime is 402803. The next prime is 402817. The reversal of 402814 is 418204.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 402791 and 402800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁴⁰²⁸¹⁴ is an apocalyptic number.

402814 is a deficient number, since it is larger than the sum of its proper divisors (236546).

402814 is a wasteful number, since it uses less digits than its factorization.

402814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 402814 is about 634.6762954452. The cubic root of 402814 is about 73.8530074546.

The spelling of 402814 in words is "four hundred two thousand, eight hundred fourteen".