2918604 has 48 divisors (see below), whose sum is σ = 7493472. Its totient is φ = 878592.

The previous prime is 2918603. The next prime is 2918621. The reversal of 2918604 is 4068192.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2918603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8092 + ... + 8444.

It is an arithmetic number, because the mean of its divisors is an integer number (156114).

2^2918604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2918604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3746736).

2918604 is an abundant number, since it is smaller than the sum of its proper divisors (4574868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2918604 is a wasteful number, since it uses less digits than its factorization.

2918604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2918604 is about 1708.3922266271. The cubic root of 2918604 is about 142.9086086947.

The spelling of 2918604 in words is "two million, nine hundred eighteen thousand, six hundred four".