3683821950 has 96 divisors (see below), whose sum is σ = 10166536800. Its totient is φ = 980847360.

The previous prime is 3683821949. The next prime is 3683821993. The reversal of 3683821950 is 591283863.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 3683821896 and 3683821905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1090464 + ... + 1093836.

It is an arithmetic number, because the mean of its divisors is an integer number (105901425).

Almost surely, 2^3683821950 is an apocalyptic number.

3683821950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3683821950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5083268400).

3683821950 is an abundant number, since it is smaller than the sum of its proper divisors (6482714850).

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

3683821950 is a wasteful number, since it uses less digits than its factorization.

3683821950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203 (or 4192 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3683821950 is about 60694.4968675085. The cubic root of 3683821950 is about 1544.4228214495.

The spelling of 3683821950 in words is "three billion, six hundred eighty-three million, eight hundred twenty-one thousand, nine hundred fifty".