407091 has 4 divisors (see below), whose sum is σ = 542792. Its totient is φ = 271392.

The previous prime is 407083. The next prime is 407119. The reversal of 407091 is 190704.

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

It is not a de Polignac number, because 407091 - 2³ = 407083 is a prime.

It is a D-number.

It is a Duffinian number.

407091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (407191) 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, 67846 + ... + 67851.

It is an arithmetic number, because the mean of its divisors is an integer number (135698).

2⁴⁰⁷⁰⁹¹ is an apocalyptic number.

407091 is a deficient number, since it is larger than the sum of its proper divisors (135701).

407091 is a wasteful number, since it uses less digits than its factorization.

407091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135700.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 407091 is about 638.0368327926. The cubic root of 407091 is about 74.1134733396.

Adding to 407091 its reverse (190704), we get a palindrome (597795).

The spelling of 407091 in words is "four hundred seven thousand, ninety-one".