408867 has 8 divisors (see below), whose sum is σ = 577296. Its totient is φ = 256512.

The previous prime is 408857. The next prime is 408869. The reversal of 408867 is 768804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 408867 - 2⁶ = 408803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3958 + ... + 4059.

It is an arithmetic number, because the mean of its divisors is an integer number (72162).

2⁴⁰⁸⁸⁶⁷ is an apocalyptic number.

408867 is a deficient number, since it is larger than the sum of its proper divisors (168429).

408867 is a wasteful number, since it uses less digits than its factorization.

408867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 408867 is about 639.4270873211. The cubic root of 408867 is about 74.2210943045.

It can be divided in two parts, 408 and 867, that added together give a triangular number (1275 = T₅₀).

The spelling of 408867 in words is "four hundred eight thousand, eight hundred sixty-seven".