3923869974 has 36 divisors (see below), whose sum is σ = 7955052924. Its totient is φ = 1290311288.

The previous prime is 3923869973. The next prime is 3923869979. The reversal of 3923869974 is 4799683293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923869973) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16417747 + ... + 16417985.

Almost surely, 2^3923869974 is an apocalyptic number.

3923869974 is an abundant number, since it is smaller than the sum of its proper divisors (4031182950).

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

3923869974 is an equidigital number, since it uses as much as digits as its factorization.

3923869974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 351 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 60.

The square root of 3923869974 is about 62640.8011921942. The cubic root of 3923869974 is about 1577.2657369653.

The spelling of 3923869974 in words is "three billion, nine hundred twenty-three million, eight hundred sixty-nine thousand, nine hundred seventy-four".