5940409 has 6 divisors (see below), whose sum is σ = 6003294. Its totient is φ = 5878080.

The previous prime is 5940401. The next prime is 5940413. The reversal of 5940409 is 9040495.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 558009 + 5382400 = 747^2 + 2320^2 .

It is not a de Polignac number, because 5940409 - 2³ = 5940401 is a prime.

It is an Ulam number.

It is a Duffinian number.

5940409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5940401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24529 + ... + 24769.

It is an arithmetic number, because the mean of its divisors is an integer number (1000549).

Almost surely, 2^5940409 is an apocalyptic number.

It is an amenable number.

5940409 is a deficient number, since it is larger than the sum of its proper divisors (62885).

5940409 is an equidigital number, since it uses as much as digits as its factorization.

5940409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5940409 is about 2437.2954273128. The cubic root of 5940409 is about 181.1084786678.

The spelling of 5940409 in words is "five million, nine hundred forty thousand, four hundred nine".