6145989 has 4 divisors (see below), whose sum is σ = 8194656. Its totient is φ = 4097324.

The previous prime is 6145981. The next prime is 6146003. The reversal of 6145989 is 9895416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6145989 - 2³ = 6145981 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6145989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6145981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024329 + ... + 1024334.

It is an arithmetic number, because the mean of its divisors is an integer number (2048664).

Almost surely, 2^6145989 is an apocalyptic number.

It is an amenable number.

6145989 is a deficient number, since it is larger than the sum of its proper divisors (2048667).

6145989 is a wasteful number, since it uses less digits than its factorization.

6145989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048666.

The product of its digits is 77760, while the sum is 42.

The square root of 6145989 is about 2479.1105259750. The cubic root of 6145989 is about 183.1740408830.

The spelling of 6145989 in words is "six million, one hundred forty-five thousand, nine hundred eighty-nine".