2041578 has 64 divisors (see below), whose sum is σ = 5667840. Its totient is φ = 529200.

The previous prime is 2041561. The next prime is 2041579. The reversal of 2041578 is 8751402.

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

It is not an unprimeable number, because it can be changed into a prime (2041579) 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 31 ways as a sum of consecutive naturals, for example, 3913 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2^2041578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2041578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2833920).

2041578 is an abundant number, since it is smaller than the sum of its proper divisors (3626262).

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

2041578 is a wasteful number, since it uses less digits than its factorization.

2041578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2041578 is about 1428.8379894166. The cubic root of 2041578 is about 126.8592070258.

The spelling of 2041578 in words is "two million, forty-one thousand, five hundred seventy-eight".