6156849 has 8 divisors (see below), whose sum is σ = 8240512. Its totient is φ = 4088880.

The previous prime is 6156823. The next prime is 6156853. The reversal of 6156849 is 9486516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6156849 - 2⁷ = 6156721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6156049) 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, 2974 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (1030064).

Almost surely, 2^6156849 is an apocalyptic number.

It is an amenable number.

6156849 is a deficient number, since it is larger than the sum of its proper divisors (2083663).

6156849 is a wasteful number, since it uses less digits than its factorization.

6156849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847.

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

The square root of 6156849 is about 2481.2998609600. The cubic root of 6156849 is about 183.2818672800.

The spelling of 6156849 in words is "six million, one hundred fifty-six thousand, eight hundred forty-nine".