3988501 has 8 divisors (see below), whose sum is σ = 4411584. Its totient is φ = 3575520.

The previous prime is 3988487. The next prime is 3988513. The reversal of 3988501 is 1058893.

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

It is a cyclic number.

It is not a de Polignac number, because 3988501 - 2¹⁵ = 3955733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (551448).

Almost surely, 2^3988501 is an apocalyptic number.

It is an amenable number.

3988501 is a deficient number, since it is larger than the sum of its proper divisors (423083).

3988501 is a wasteful number, since it uses less digits than its factorization.

3988501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 3988501 is about 1997.1231809781. The cubic root of 3988501 is about 158.5878464958.

It can be divided in two parts, 3988 and 501, that added together give a square (4489 = 67²).

The spelling of 3988501 in words is "three million, nine hundred eighty-eight thousand, five hundred one".