2949660 has 72 divisors (see below), whose sum is σ = 10229856. Its totient is φ = 673920.

The previous prime is 2949647. The next prime is 2949679. The reversal of 2949660 is 669492.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90 + ... + 2430.

2^2949660 is an apocalyptic number.

2949660 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 2949660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5114928).

2949660 is an abundant number, since it is smaller than the sum of its proper divisors (7280196).

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

2949660 is a wasteful number, since it uses less digits than its factorization.

2949660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2358 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2949660 is about 1717.4574230530. The cubic root of 2949660 is about 143.4137040993.

The spelling of 2949660 in words is "two million, nine hundred forty-nine thousand, six hundred sixty".