2606904 has 64 divisors (see below), whose sum is σ = 7380000. Its totient is φ = 863136.

The previous prime is 2606887. The next prime is 2606917. The reversal of 2606904 is 4096062.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17422 + ... + 17570.

2^2606904 is an apocalyptic number.

2606904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2606904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3690000).

2606904 is an abundant number, since it is smaller than the sum of its proper divisors (4773096).

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

2606904 is an equidigital number, since it uses as much as digits as its factorization.

2606904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2606904 is about 1614.5909698744. The cubic root of 2606904 is about 137.6284903598.

The spelling of 2606904 in words is "two million, six hundred six thousand, nine hundred four".