3989453 has 8 divisors (see below), whose sum is σ = 4312728. Its totient is φ = 3668544.

The previous prime is 3989437. The next prime is 3989467. The reversal of 3989453 is 3549893.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 3988009 = 38^2 + 1997^2 .

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 3989453 - 2⁴ = 3989437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3989453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989413) 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, 4775 + ... + 5547.

It is an arithmetic number, because the mean of its divisors is an integer number (539091).

Almost surely, 2^3989453 is an apocalyptic number.

It is an amenable number.

3989453 is a deficient number, since it is larger than the sum of its proper divisors (323275).

3989453 is a wasteful number, since it uses less digits than its factorization.

3989453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its digits is 116640, while the sum is 41.

The square root of 3989453 is about 1997.3615095921. The cubic root of 3989453 is about 158.6004630669.

The spelling of 3989453 in words is "three million, nine hundred eighty-nine thousand, four hundred fifty-three".