3921611404 has 24 divisors (see below), whose sum is σ = 6995727648. Its totient is φ = 1922868480.

The previous prime is 3921611399. The next prime is 3921611431. The reversal of 3921611404 is 4041161293.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 658689 + ... + 664615.

It is an arithmetic number, because the mean of its divisors is an integer number (291488652).

Almost surely, 2^3921611404 is an apocalyptic number.

It is an amenable number.

3921611404 is a deficient number, since it is larger than the sum of its proper divisors (3074116244).

3921611404 is a wasteful number, since it uses less digits than its factorization.

3921611404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105 (or 9103 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3921611404 is about 62622.7706509381. The cubic root of 3921611404 is about 1576.9630554448.

Adding to 3921611404 its reverse (4041161293), we get a palindrome (7962772697).

The spelling of 3921611404 in words is "three billion, nine hundred twenty-one million, six hundred eleven thousand, four hundred four".