2904660 has 120 divisors (see below), whose sum is σ = 10001376. Its totient is φ = 699840.

The previous prime is 2904653. The next prime is 2904661. The reversal of 2904660 is 664092.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2904661) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17739 + ... + 17901.

2^2904660 is an apocalyptic number.

2904660 is a gapful number since it is divisible by the number (20) 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 2904660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5000688).

2904660 is an abundant number, since it is smaller than the sum of its proper divisors (7096716).

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

2904660 is a wasteful number, since it uses less digits than its factorization.

2904660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 184 counting only the distinct ones).

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

The square root of 2904660 is about 1704.3063104970. The cubic root of 2904660 is about 142.6806572978.

It can be divided in two parts, 290 and 4660, that added together give a triangular number (4950 = T₉₉).

The spelling of 2904660 in words is "two million, nine hundred four thousand, six hundred sixty".