2941820 has 24 divisors (see below), whose sum is σ = 7060704. Its totient is φ = 1008576.

The previous prime is 2941819. The next prime is 2941831. The reversal of 2941820 is 281492.

It is a self number, because there is not a number n which added to its sum of digits gives 2941820.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10367 + ... + 10646.

It is an arithmetic number, because the mean of its divisors is an integer number (294196).

2^2941820 is an apocalyptic number.

2941820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2941820 is an abundant number, since it is smaller than the sum of its proper divisors (4118884).

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

2941820 is a wasteful number, since it uses less digits than its factorization.

2941820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21029 (or 21027 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2941820 is about 1715.1734606156. The cubic root of 2941820 is about 143.2865299985.

The spelling of 2941820 in words is "two million, nine hundred forty-one thousand, eight hundred twenty".