3984748923 has 4 divisors (see below), whose sum is σ = 5312998568. Its totient is φ = 2656499280.

The previous prime is 3984748883. The next prime is 3984748967. The reversal of 3984748923 is 3298474893.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3984748923 - 2²⁸ = 3716313467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3984748223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664124818 + ... + 664124823.

It is an arithmetic number, because the mean of its divisors is an integer number (1328249642).

Almost surely, 2^3984748923 is an apocalyptic number.

3984748923 is a deficient number, since it is larger than the sum of its proper divisors (1328249645).

3984748923 is a wasteful number, since it uses less digits than its factorization.

3984748923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328249644.

The product of its digits is 10450944, while the sum is 57.

The square root of 3984748923 is about 63124.8677067921. The cubic root of 3984748923 is about 1585.3810178414.

The spelling of 3984748923 in words is "three billion, nine hundred eighty-four million, seven hundred forty-eight thousand, nine hundred twenty-three".