3849649 has 8 divisors (see below), whose sum is σ = 3944192. Its totient is φ = 3756240.

The previous prime is 3849617. The next prime is 3849653. The reversal of 3849649 is 9469483.

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 3849649 - 2⁵ = 3849617 is a prime.

It is a Duffinian number.

3849649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3849679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13462 + ... + 13744.

It is an arithmetic number, because the mean of its divisors is an integer number (493024).

Almost surely, 2^3849649 is an apocalyptic number.

It is an amenable number.

3849649 is a deficient number, since it is larger than the sum of its proper divisors (94543).

3849649 is a wasteful number, since it uses less digits than its factorization.

3849649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 186624, while the sum is 43.

The square root of 3849649 is about 1962.0522419141. The cubic root of 3849649 is about 156.7257575999.

The spelling of 3849649 in words is "three million, eight hundred forty-nine thousand, six hundred forty-nine".