3988631414 has 4 divisors (see below), whose sum is σ = 5982947124. Its totient is φ = 1994315706.

The previous prime is 3988631389. The next prime is 3988631419. The reversal of 3988631414 is 4141368893.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988631419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997157852 + ... + 997157855.

It is an arithmetic number, because the mean of its divisors is an integer number (1495736781).

Almost surely, 2^3988631414 is an apocalyptic number.

3988631414 is a deficient number, since it is larger than the sum of its proper divisors (1994315710).

3988631414 is a wasteful number, since it uses less digits than its factorization.

3988631414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994315709.

The product of its digits is 497664, while the sum is 47.

The square root of 3988631414 is about 63155.6126880264. The cubic root of 3988631414 is about 1585.8957495215.

The spelling of 3988631414 in words is "three billion, nine hundred eighty-eight million, six hundred thirty-one thousand, four hundred fourteen".