402873 has 4 divisors (see below), whose sum is σ = 537168. Its totient is φ = 268580.

The previous prime is 402869. The next prime is 402881. The reversal of 402873 is 378204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402873 - 2² = 402869 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402873.

It is not an unprimeable number, because it can be changed into a prime (402803) 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, 67143 + ... + 67148.

It is an arithmetic number, because the mean of its divisors is an integer number (134292).

2⁴⁰²⁸⁷³ is an apocalyptic number.

It is an amenable number.

402873 is a deficient number, since it is larger than the sum of its proper divisors (134295).

402873 is a wasteful number, since it uses less digits than its factorization.

402873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134294.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 402873 is about 634.7227741306. The cubic root of 402873 is about 73.8566130184.

It can be divided in two parts, 402 and 873, that added together give a triangular number (1275 = T₅₀).

The spelling of 402873 in words is "four hundred two thousand, eight hundred seventy-three".