407005 has 4 divisors (see below), whose sum is σ = 488412. Its totient is φ = 325600.

The previous prime is 406993. The next prime is 407023. The reversal of 407005 is 500704.

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

It can be written as a sum of positive squares in 2 ways, for example, as 224676 + 182329 = 474^2 + 427^2 .

It is not a de Polignac number, because 407005 - 2¹³ = 398813 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 407005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40696 + ... + 40705.

It is an arithmetic number, because the mean of its divisors is an integer number (122103).

2⁴⁰⁷⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

407005 is a deficient number, since it is larger than the sum of its proper divisors (81407).

407005 is an equidigital number, since it uses as much as digits as its factorization.

407005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81406.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 407005 is about 637.9694350045. The cubic root of 407005 is about 74.1082540253.

Adding to 407005 its reverse (500704), we get a palindrome (907709).

The spelling of 407005 in words is "four hundred seven thousand, five".