408367 has 4 divisors (see below), whose sum is σ = 429880. Its totient is φ = 386856.

The previous prime is 408361. The next prime is 408379. The reversal of 408367 is 763804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408361) 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, 10728 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (107470).

2⁴⁰⁸³⁶⁷ is an apocalyptic number.

408367 is a deficient number, since it is larger than the sum of its proper divisors (21513).

408367 is a wasteful number, since it uses less digits than its factorization.

408367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21512.

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

The square root of 408367 is about 639.0359927265. The cubic root of 408367 is about 74.1908271803.

The spelling of 408367 in words is "four hundred eight thousand, three hundred sixty-seven".