407671 has 4 divisors (see below), whose sum is σ = 444744. Its totient is φ = 370600.

The previous prime is 407669. The next prime is 407699. The reversal of 407671 is 176704.

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

It is a cyclic number.

It is not a de Polignac number, because 407671 - 2¹ = 407669 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 (407621) 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 3 ways as a sum of consecutive naturals, for example, 18520 + ... + 18541.

It is an arithmetic number, because the mean of its divisors is an integer number (111186).

2⁴⁰⁷⁶⁷¹ is an apocalyptic number.

407671 is a deficient number, since it is larger than the sum of its proper divisors (37073).

407671 is a wasteful number, since it uses less digits than its factorization.

407671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37072.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 407671 is about 638.4911902290. The cubic root of 407671 is about 74.1486541846.

The spelling of 407671 in words is "four hundred seven thousand, six hundred seventy-one".