2946860 has 72 divisors (see below), whose sum is σ = 7507584. Its totient is φ = 967680.

The previous prime is 2946859. The next prime is 2946863. The reversal of 2946860 is 686492.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2946860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2946863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30332 + ... + 30428.

It is an arithmetic number, because the mean of its divisors is an integer number (104272).

2^2946860 is an apocalyptic number.

2946860 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 2946860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3753792).

2946860 is an abundant number, since it is smaller than the sum of its proper divisors (4560724).

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

2946860 is a wasteful number, since it uses less digits than its factorization.

2946860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2946860 is about 1716.6420710212. The cubic root of 2946860 is about 143.3683106754.

The spelling of 2946860 in words is "two million, nine hundred forty-six thousand, eight hundred sixty".