3843749 has 8 divisors (see below), whose sum is σ = 4730880. Its totient is φ = 3041136.

The previous prime is 3843743. The next prime is 3843773. The reversal of 3843749 is 9473483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3843749 - 2⁴ = 3843733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843743) 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, 21029 + ... + 21210.

It is an arithmetic number, because the mean of its divisors is an integer number (591360).

Almost surely, 2^3843749 is an apocalyptic number.

It is an amenable number.

3843749 is a deficient number, since it is larger than the sum of its proper divisors (887131).

3843749 is a wasteful number, since it uses less digits than its factorization.

3843749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42259.

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

The square root of 3843749 is about 1960.5481376391. The cubic root of 3843749 is about 156.6456503170.

The spelling of 3843749 in words is "three million, eight hundred forty-three thousand, seven hundred forty-nine".