3918392423 has 8 divisors (see below), whose sum is σ = 4338410880. Its totient is φ = 3509007480.

The previous prime is 3918392399. The next prime is 3918392459. The reversal of 3918392423 is 3242938193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3918392423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918392923) 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 7 ways as a sum of consecutive naturals, for example, 2657603 + ... + 2659076.

It is an arithmetic number, because the mean of its divisors is an integer number (542301360).

Almost surely, 2^3918392423 is an apocalyptic number.

3918392423 is a deficient number, since it is larger than the sum of its proper divisors (420018457).

3918392423 is a wasteful number, since it uses less digits than its factorization.

3918392423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316757.

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

The square root of 3918392423 is about 62597.0640126196. The cubic root of 3918392423 is about 1576.5314638422.

The spelling of 3918392423 in words is "three billion, nine hundred eighteen million, three hundred ninety-two thousand, four hundred twenty-three".