6115989 has 16 divisors (see below), whose sum is σ = 9138240. Its totient is φ = 3605760.

The previous prime is 6115979. The next prime is 6116009. The reversal of 6115989 is 9895116.

It is not a de Polignac number, because 6115989 - 2⁴ = 6115973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6115909) 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, 1284 + ... + 3725.

It is an arithmetic number, because the mean of its divisors is an integer number (571140).

Almost surely, 2^6115989 is an apocalyptic number.

It is an amenable number.

6115989 is a deficient number, since it is larger than the sum of its proper divisors (3022251).

6115989 is a wasteful number, since it uses less digits than its factorization.

6115989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060.

The product of its digits is 19440, while the sum is 39.

The square root of 6115989 is about 2473.0525671728. The cubic root of 6115989 is about 182.8755162841.

The spelling of 6115989 in words is "six million, one hundred fifteen thousand, nine hundred eighty-nine".