3921650052 has 48 divisors (see below), whose sum is σ = 9770449920. Its totient is φ = 1221298848.

The previous prime is 3921650039. The next prime is 3921650059. The reversal of 3921650052 is 2500561293.

It is a junction number, because it is equal to n+sod(n) for n = 3921649995 and 3921650022.

It is not an unprimeable number, because it can be changed into a prime (3921650059) 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 15 ways as a sum of consecutive naturals, for example, 153352 + ... + 177087.

It is an arithmetic number, because the mean of its divisors is an integer number (203551040).

Almost surely, 2^3921650052 is an apocalyptic number.

It is an amenable number.

3921650052 is an abundant number, since it is smaller than the sum of its proper divisors (5848799868).

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

3921650052 is a wasteful number, since it uses less digits than its factorization.

3921650052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330512 (or 330510 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 3921650052 is about 62623.0792280290. The cubic root of 3921650052 is about 1576.9682358211.

The spelling of 3921650052 in words is "three billion, nine hundred twenty-one million, six hundred fifty thousand, fifty-two".