6149856 has 72 divisors (see below), whose sum is σ = 17062920. Its totient is φ = 1937152.

The previous prime is 6149851. The next prime is 6149861. The reversal of 6149856 is 6589416.

It is an interprime number because it is at equal distance from previous prime (6149851) and next prime (6149861).

It is an alternating number because its digits alternate between even and odd.

Its product of digits (51840) is a multiple of the sum of its prime divisors (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149851) 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 11 ways as a sum of consecutive naturals, for example, 130825 + ... + 130871.

It is an arithmetic number, because the mean of its divisors is an integer number (236985).

Almost surely, 2^6149856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6149856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8531460).

6149856 is an abundant number, since it is smaller than the sum of its proper divisors (10913064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6149856 is a wasteful number, since it uses less digits than its factorization.

6149856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 81 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 6149856 is about 2479.8903201553. The cubic root of 6149856 is about 183.2124499716.

The spelling of 6149856 in words is "six million, one hundred forty-nine thousand, eight hundred fifty-six".