1944382086 has 12 divisors (see below), whose sum is σ = 4212827892. Its totient is φ = 648127356.

The previous prime is 1944382067. The next prime is 1944382087. The reversal of 1944382086 is 6802834491.

It is a happy number.

1944382086 is a `hidden beast` number, since 1 + 9 + 4 + 438 + 208 + 6 = 666.

It is a super-2 number, since 2×1944382086² = 7561243392715422792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944382087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54010596 + ... + 54010631.

It is an arithmetic number, because the mean of its divisors is an integer number (351068991).

Almost surely, 2^1944382086 is an apocalyptic number.

1944382086 is an abundant number, since it is smaller than the sum of its proper divisors (2268445806).

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

1944382086 is a wasteful number, since it uses less digits than its factorization.

1944382086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108021235 (or 108021232 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1944382086 is about 44095.1481004430. The cubic root of 1944382086 is about 1248.1320550290.

It can be divided in two parts, 194 and 4382086, that added together give a triangular number (4382280 = T₂₉₆₀).

The spelling of 1944382086 in words is "one billion, nine hundred forty-four million, three hundred eighty-two thousand, eighty-six".