3988737 has 16 divisors (see below), whose sum is σ = 5974080. Its totient is φ = 2630016.

The previous prime is 3988717. The next prime is 3988753. The reversal of 3988737 is 7378893.

3988737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3988737 - 2¹⁵ = 3955969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3988692 and 3988701.

It is not an unprimeable number, because it can be changed into a prime (3988717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1858 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (373380).

Almost surely, 2^3988737 is an apocalyptic number.

It is an amenable number.

3988737 is a deficient number, since it is larger than the sum of its proper divisors (1985343).

3988737 is a wasteful number, since it uses less digits than its factorization.

3988737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1623 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 3988737 is about 1997.1822650925. The cubic root of 3988737 is about 158.5909743203.

The spelling of 3988737 in words is "three million, nine hundred eighty-eight thousand, seven hundred thirty-seven".