1541982 has 32 divisors (see below), whose sum is σ = 3392928. Its totient is φ = 464256.

The previous prime is 1541963. The next prime is 1541987. The reversal of 1541982 is 2891451.

It is a happy number.

1541982 is nontrivially palindromic in base 12.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541987) 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 15 ways as a sum of consecutive naturals, for example, 3948 + ... + 4320.

It is an arithmetic number, because the mean of its divisors is an integer number (106029).

2^1541982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1541982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696464).

1541982 is an abundant number, since it is smaller than the sum of its proper divisors (1850946).

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

1541982 is a wasteful number, since it uses less digits than its factorization.

1541982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 2880, while the sum is 30.

The square root of 1541982 is about 1241.7656783790. The cubic root of 1541982 is about 115.5295552258.

The spelling of 1541982 in words is "one million, five hundred forty-one thousand, nine hundred eighty-two".