3923421696 has 120 divisors (see below), whose sum is σ = 11815895520. Its totient is φ = 1250912256.

The previous prime is 3923421641. The next prime is 3923421709. The reversal of 3923421696 is 6961243293.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87475 + ... + 124493.

It is an arithmetic number, because the mean of its divisors is an integer number (98465796).

Almost surely, 2^3923421696 is an apocalyptic number.

3923421696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3923421696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5907947760).

3923421696 is an abundant number, since it is smaller than the sum of its proper divisors (7892473824).

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

3923421696 is a wasteful number, since it uses less digits than its factorization.

3923421696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066 (or 37047 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 3923421696 is about 62637.2229269466. Note that the first 3 decimals coincide. The cubic root of 3923421696 is about 1577.2056703761.

The spelling of 3923421696 in words is "three billion, nine hundred twenty-three million, four hundred twenty-one thousand, six hundred ninety-six".