3834749 has 4 divisors (see below), whose sum is σ = 3847164. Its totient is φ = 3822336.

The previous prime is 3834703. The next prime is 3834797. The reversal of 3834749 is 9474383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9474383 = 599 ⋅15817.

It can be written as a sum of positive squares in 2 ways, for example, as 156025 + 3678724 = 395^2 + 1918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3834749 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3837749) 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 3 ways as a sum of consecutive naturals, for example, 5732 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (961791).

Almost surely, 2^3834749 is an apocalyptic number.

It is an amenable number.

3834749 is a deficient number, since it is larger than the sum of its proper divisors (12415).

3834749 is a wasteful number, since it uses less digits than its factorization.

3834749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12414.

The product of its digits is 72576, while the sum is 38.

The square root of 3834749 is about 1958.2515160214. The cubic root of 3834749 is about 156.5232947186.

The spelling of 3834749 in words is "three million, eight hundred thirty-four thousand, seven hundred forty-nine".