3447849 has 4 divisors (see below), whose sum is σ = 4597136. Its totient is φ = 2298564.

The previous prime is 3447827. The next prime is 3447853. The reversal of 3447849 is 9487443.

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 not a de Polignac number, because 3447849 - 2⁵ = 3447817 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3447859) 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, 574639 + ... + 574644.

It is an arithmetic number, because the mean of its divisors is an integer number (1149284).

Almost surely, 2^3447849 is an apocalyptic number.

It is an amenable number.

3447849 is a deficient number, since it is larger than the sum of its proper divisors (1149287).

3447849 is a wasteful number, since it uses less digits than its factorization.

3447849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149286.

The product of its digits is 96768, while the sum is 39.

The square root of 3447849 is about 1856.8384420837. The cubic root of 3447849 is about 151.0715711179.

The spelling of 3447849 in words is "three million, four hundred forty-seven thousand, eight hundred forty-nine".