3989134 has 4 divisors (see below), whose sum is σ = 5983704. Its totient is φ = 1994566.

The previous prime is 3989123. The next prime is 3989137. The reversal of 3989134 is 4319893.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3989093 and 3989102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997282 + ... + 997285.

It is an arithmetic number, because the mean of its divisors is an integer number (1495926).

Almost surely, 2^3989134 is an apocalyptic number.

3989134 is a deficient number, since it is larger than the sum of its proper divisors (1994570).

3989134 is a wasteful number, since it uses less digits than its factorization.

3989134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994569.

The product of its digits is 23328, while the sum is 37.

The square root of 3989134 is about 1997.2816526469. The cubic root of 3989134 is about 158.5962356790.

The spelling of 3989134 in words is "three million, nine hundred eighty-nine thousand, one hundred thirty-four".