3989482031 has 4 divisors (see below), whose sum is σ = 3992267472. Its totient is φ = 3986696592.

The previous prime is 3989482019. The next prime is 3989482141. The reversal of 3989482031 is 1302849893.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3989482031 - 2⁶ = 3989481967 is a prime.

It is a super-2 number, since 2×3989482031² = 31831933751343769922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989482331) 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, 1390571 + ... + 1393436.

It is an arithmetic number, because the mean of its divisors is an integer number (998066868).

Almost surely, 2^3989482031 is an apocalyptic number.

3989482031 is a deficient number, since it is larger than the sum of its proper divisors (2785441).

3989482031 is a wasteful number, since it uses less digits than its factorization.

3989482031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785440.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 3989482031 is about 63162.3466236016. The cubic root of 3989482031 is about 1586.0084777451.

The spelling of 3989482031 in words is "three billion, nine hundred eighty-nine million, four hundred eighty-two thousand, thirty-one".