3896040923 has 4 divisors (see below), whose sum is σ = 3898727448. Its totient is φ = 3893354400.

The previous prime is 3896040893. The next prime is 3896040937. The reversal of 3896040923 is 3290406983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3290406983 = 3259 ⋅1009637.

It is a cyclic number.

It is not a de Polignac number, because 3896040923 - 2¹² = 3896036827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3896040223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341086 + ... + 1343987.

It is an arithmetic number, because the mean of its divisors is an integer number (974681862).

Almost surely, 2^3896040923 is an apocalyptic number.

3896040923 is a deficient number, since it is larger than the sum of its proper divisors (2686525).

3896040923 is a wasteful number, since it uses less digits than its factorization.

3896040923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686524.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 3896040923 is about 62418.2739508231. The cubic root of 3896040923 is about 1573.5281013918.

The spelling of 3896040923 in words is "three billion, eight hundred ninety-six million, forty thousand, nine hundred twenty-three".