3849999 has 4 divisors (see below), whose sum is σ = 5133336. Its totient is φ = 2566664.

The previous prime is 3849997. The next prime is 3850003. The reversal of 3849999 is 9999483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3849999 - 2¹ = 3849997 is a prime.

It is a D-number.

3849999 is a modest number, since divided by 9999 gives 384 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3849997) 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, 641664 + ... + 641669.

It is an arithmetic number, because the mean of its divisors is an integer number (1283334).

Almost surely, 2^3849999 is an apocalyptic number.

3849999 is a deficient number, since it is larger than the sum of its proper divisors (1283337).

3849999 is a wasteful number, since it uses less digits than its factorization.

3849999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283336.

The product of its digits is 629856, while the sum is 51.

The square root of 3849999 is about 1962.1414322112. The cubic root of 3849999 is about 156.7305071543.

The spelling of 3849999 in words is "three million, eight hundred forty-nine thousand, nine hundred ninety-nine".