6148749 has 8 divisors (see below), whose sum is σ = 8235360. Its totient is φ = 4080656.

The previous prime is 6148721. The next prime is 6148759. The reversal of 6148749 is 9478416.

It is a happy number.

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 6148749 - 2⁷ = 6148621 is a prime.

It is a super-2 number, since 2×6148749² = 75614228530002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6148759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^6148749 is an apocalyptic number.

It is an amenable number.

6148749 is a deficient number, since it is larger than the sum of its proper divisors (2086611).

6148749 is a wasteful number, since it uses less digits than its factorization.

6148749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259.

The product of its digits is 48384, while the sum is 39.

The square root of 6148749 is about 2479.6671147555. The cubic root of 6148749 is about 183.2014563076.

The spelling of 6148749 in words is "six million, one hundred forty-eight thousand, seven hundred forty-nine".