6018649 has 24 divisors (see below), whose sum is σ = 7931840. Its totient is φ = 4434912.

The previous prime is 6018613. The next prime is 6018659. The reversal of 6018649 is 9468106.

It is not a de Polignac number, because 6018649 - 2⁹ = 6018137 is a prime.

6018649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6018659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101982 + ... + 102040.

Almost surely, 2^6018649 is an apocalyptic number.

It is an amenable number.

6018649 is a deficient number, since it is larger than the sum of its proper divisors (1913191).

6018649 is a wasteful number, since it uses less digits than its factorization.

6018649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 6018649 is about 2453.2935005824. The cubic root of 6018649 is about 181.9001283561.

The spelling of 6018649 in words is "six million, eighteen thousand, six hundred forty-nine".