3989193 has 16 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 2438784.

The previous prime is 3989191. The next prime is 3989233. The reversal of 3989193 is 3919893.

It is a happy number.

It is not a de Polignac number, because 3989193 - 2¹ = 3989191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3989191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8868 + ... + 9306.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^3989193 is an apocalyptic number.

It is an amenable number.

3989193 is a deficient number, since it is larger than the sum of its proper divisors (1776567).

3989193 is a wasteful number, since it uses less digits than its factorization.

3989193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its digits is 52488, while the sum is 42.

The square root of 3989193 is about 1997.2964226674. The cubic root of 3989193 is about 158.5970175639.

It can be divided in two parts, 398 and 9193, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 3989193 in words is "three million, nine hundred eighty-nine thousand, one hundred ninety-three".