3147849 has 32 divisors (see below), whose sum is σ = 5034240. Its totient is φ = 1938816.

The previous prime is 3147797. The next prime is 3147853. The reversal of 3147849 is 9487413.

It is a happy number.

It is not a de Polignac number, because 3147849 - 2⁷ = 3147721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3147889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22909 + ... + 23045.

It is an arithmetic number, because the mean of its divisors is an integer number (157320).

Almost surely, 2^3147849 is an apocalyptic number.

It is an amenable number.

3147849 is a deficient number, since it is larger than the sum of its proper divisors (1886391).

3147849 is a wasteful number, since it uses less digits than its factorization.

3147849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 200 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3147849 is about 1774.2178558452. The cubic root of 3147849 is about 146.5563466774.

The spelling of 3147849 in words is "three million, one hundred forty-seven thousand, eight hundred forty-nine".