6189749 has 4 divisors (see below), whose sum is σ = 6294720. Its totient is φ = 6084780.

The previous prime is 6189727. The next prime is 6189769. The reversal of 6189749 is 9479816.

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 a de Polignac number, because none of the positive numbers 2^k-6189749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6189719) 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, 52397 + ... + 52514.

It is an arithmetic number, because the mean of its divisors is an integer number (1573680).

Almost surely, 2^6189749 is an apocalyptic number.

It is an amenable number.

6189749 is a deficient number, since it is larger than the sum of its proper divisors (104971).

6189749 is a wasteful number, since it uses less digits than its factorization.

6189749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104970.

The product of its digits is 108864, while the sum is 44.

The square root of 6189749 is about 2487.9206177047. The cubic root of 6189749 is about 183.6077517560.

The spelling of 6189749 in words is "six million, one hundred eighty-nine thousand, seven hundred forty-nine".