3988970 has 16 divisors (see below), whose sum is σ = 7374888. Its totient is φ = 1552320.

The previous prime is 3988969. The next prime is 3988991. The reversal of 3988970 is 798893.

It can be written as a sum of positive squares in 4 ways, for example, as 3530641 + 458329 = 1879^2 + 677^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5021 + ... + 5760.

Almost surely, 2^3988970 is an apocalyptic number.

3988970 is a deficient number, since it is larger than the sum of its proper divisors (3385918).

3988970 is a wasteful number, since it uses less digits than its factorization.

3988970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10825.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 3988970 is about 1997.2405964230. The cubic root of 3988970 is about 158.5940622633.

The spelling of 3988970 in words is "three million, nine hundred eighty-eight thousand, nine hundred seventy".