403867 has 2 divisors, whose sum is σ = 403868. Its totient is φ = 403866.

The previous prime is 403861. The next prime is 403877. The reversal of 403867 is 768304.

403867 is nontrivially palindromic in base 15.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403867 - 2¹⁵ = 371099 is a prime.

It is not a weakly prime, because it can be changed into another prime (403861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201933 + 201934.

It is an arithmetic number, because the mean of its divisors is an integer number (201934).

2⁴⁰³⁸⁶⁷ is an apocalyptic number.

403867 is a deficient number, since it is larger than the sum of its proper divisors (1).

403867 is an equidigital number, since it uses as much as digits as its factorization.

403867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 403867 is about 635.5053107567. The cubic root of 403867 is about 73.9173047491.

The spelling of 403867 in words is "four hundred three thousand, eight hundred sixty-seven".