408267 has 8 divisors (see below), whose sum is σ = 604880. Its totient is φ = 272160.

The previous prime is 408263. The next prime is 408271. The reversal of 408267 is 762804.

It is an interprime number because it is at equal distance from previous prime (408263) and next prime (408271).

It is not a de Polignac number, because 408267 - 2² = 408263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15121 = 408267 / (4 + 0 + 8 + 2 + 6 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 408267.

It is not an unprimeable number, because it can be changed into a prime (408263) 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, 7534 + ... + 7587.

It is an arithmetic number, because the mean of its divisors is an integer number (75610).

2⁴⁰⁸²⁶⁷ is an apocalyptic number.

408267 is a deficient number, since it is larger than the sum of its proper divisors (196613).

408267 is a wasteful number, since it uses less digits than its factorization.

408267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130 (or 15124 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 408267 is about 638.9577450818. The cubic root of 408267 is about 74.1847707912.

The spelling of 408267 in words is "four hundred eight thousand, two hundred sixty-seven".