403875 has 24 divisors (see below), whose sum is σ = 730080. Its totient is φ = 214800.

The previous prime is 403867. The next prime is 403877. The reversal of 403875 is 578304.

It is not a de Polignac number, because 403875 - 2³ = 403867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (30420).

2⁴⁰³⁸⁷⁵ is an apocalyptic number.

403875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

403875 is a deficient number, since it is larger than the sum of its proper divisors (326205).

403875 is a wasteful number, since it uses less digits than its factorization.

403875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 403875 is about 635.5116049294. The cubic root of 403875 is about 73.9177928095.

The spelling of 403875 in words is "four hundred three thousand, eight hundred seventy-five".