3988130 has 8 divisors (see below), whose sum is σ = 7178652. Its totient is φ = 1595248.

The previous prime is 3988129. The next prime is 3988147. The reversal of 3988130 is 318893.

It can be written as a sum of positive squares in 2 ways, for example, as 3988009 + 121 = 1997^2 + 11^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199397 + ... + 199416.

Almost surely, 2^3988130 is an apocalyptic number.

3988130 is a deficient number, since it is larger than the sum of its proper divisors (3190522).

3988130 is a wasteful number, since it uses less digits than its factorization.

3988130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398820.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 3988130 is about 1997.0302952134. The cubic root of 3988130 is about 158.5829292002.

The spelling of 3988130 in words is "three million, nine hundred eighty-eight thousand, one hundred thirty".