1982150 has 24 divisors (see below), whose sum is σ = 3816720. Its totient is φ = 764960.

The previous prime is 1982129. The next prime is 1982153. The reversal of 1982150 is 512891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982153) 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 11 ways as a sum of consecutive naturals, for example, 767 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

2^1982150 is an apocalyptic number.

1982150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982150 is a deficient number, since it is larger than the sum of its proper divisors (1834570).

1982150 is a wasteful number, since it uses less digits than its factorization.

1982150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1982150 is about 1407.8884899025. Note that the first 3 decimals coincide. The cubic root of 1982150 is about 125.6161578061.

The spelling of 1982150 in words is "one million, nine hundred eighty-two thousand, one hundred fifty".