6240404 has 12 divisors (see below), whose sum is σ = 10938228. Its totient is φ = 3115200.

The previous prime is 6240401. The next prime is 6240407. The reversal of 6240404 is 4040426.

It is an interprime number because it is at equal distance from previous prime (6240401) and next prime (6240407).

It can be written as a sum of positive squares in 2 ways, for example, as 5750404 + 490000 = 2398^2 + 700^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240401) 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, 4064 + ... + 5384.

It is an arithmetic number, because the mean of its divisors is an integer number (911519).

Almost surely, 2^6240404 is an apocalyptic number.

It is an amenable number.

6240404 is a deficient number, since it is larger than the sum of its proper divisors (4697824).

6240404 is a wasteful number, since it uses less digits than its factorization.

6240404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506 (or 2504 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 6240404 is about 2498.0800627682. The cubic root of 6240404 is about 184.1072547337.

The spelling of 6240404 in words is "six million, two hundred forty thousand, four hundred four".