2618404 has 6 divisors (see below), whose sum is σ = 4582214. Its totient is φ = 1309200.

The previous prime is 2618387. The next prime is 2618411. The reversal of 2618404 is 4048162.

2618404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 1060900 = 1248^2 + 1030^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327297 + ... + 327304.

2^2618404 is an apocalyptic number.

It is an amenable number.

2618404 is a deficient number, since it is larger than the sum of its proper divisors (1963810).

2618404 is a wasteful number, since it uses less digits than its factorization.

2618404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654605 (or 654603 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2618404 is about 1618.1483244746. The cubic root of 2618404 is about 137.8305699144.

The spelling of 2618404 in words is "two million, six hundred eighteen thousand, four hundred four".