407043 has 36 divisors (see below), whose sum is σ = 746928. Its totient is φ = 211680.

The previous prime is 407023. The next prime is 407047. The reversal of 407043 is 340704.

It is a Cunningham number, because it is equal to 638²-1.

It is not a de Polignac number, because 407043 - 2⁹ = 406531 is a prime.

407043 is a lucky number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (407047) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5698 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2⁴⁰⁷⁰⁴³ is an apocalyptic number.

407043 is a deficient number, since it is larger than the sum of its proper divisors (339885).

407043 is a wasteful number, since it uses less digits than its factorization.

407043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 407043 is about 637.9992163005. Note that the first 3 decimals coincide. The cubic root of 407043 is about 74.1105603246.

Adding to 407043 its reverse (340704), we get a palindrome (747747).

The spelling of 407043 in words is "four hundred seven thousand, forty-three", and thus it is an iban number.