408671 has 8 divisors (see below), whose sum is σ = 436080. Its totient is φ = 381888.

The previous prime is 408659. The next prime is 408677. The reversal of 408671 is 176804.

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

It is a cyclic number.

It is not a de Polignac number, because 408671 - 2⁶ = 408607 is a prime.

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 408671.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 408671.

It is not an unprimeable number, because it can be changed into a prime (408677) 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, 2525 + ... + 2681.

It is an arithmetic number, because the mean of its divisors is an integer number (54510).

2⁴⁰⁸⁶⁷¹ is an apocalyptic number.

408671 is a deficient number, since it is larger than the sum of its proper divisors (27409).

408671 is a wasteful number, since it uses less digits than its factorization.

408671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 408671 is about 639.2738067526. The cubic root of 408671 is about 74.2092325340.

The spelling of 408671 in words is "four hundred eight thousand, six hundred seventy-one".