3986802423 has 10 divisors (see below), whose sum is σ = 5955593864. Its totient is φ = 2657868228.

The previous prime is 3986802419. The next prime is 3986802439. The reversal of 3986802423 is 3242086893.

It is not a de Polignac number, because 3986802423 - 2² = 3986802419 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 (3986802223) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24609811 + ... + 24609972.

Almost surely, 2^3986802423 is an apocalyptic number.

3986802423 is a deficient number, since it is larger than the sum of its proper divisors (1968791441).

3986802423 is an equidigital number, since it uses as much as digits as its factorization.

3986802423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49219795 (or 49219786 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3986802423 is about 63141.1309924046. The cubic root of 3986802423 is about 1585.6533077564.

The spelling of 3986802423 in words is "three billion, nine hundred eighty-six million, eight hundred two thousand, four hundred twenty-three".