3749841 has 8 divisors (see below), whose sum is σ = 5555360. Its totient is φ = 2499876.

The previous prime is 3749833. The next prime is 3749849. The reversal of 3749841 is 1489473.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3749833) and next prime (3749849).

It is not a de Polignac number, because 3749841 - 2³ = 3749833 is a prime.

It is a super-2 number, since 2×3749841² = 28122615050562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3749796 and 3749805.

It is not an unprimeable number, because it can be changed into a prime (3749849) 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 7 ways as a sum of consecutive naturals, for example, 69415 + ... + 69468.

It is an arithmetic number, because the mean of its divisors is an integer number (694420).

Almost surely, 2^3749841 is an apocalyptic number.

It is an amenable number.

3749841 is a deficient number, since it is larger than the sum of its proper divisors (1805519).

3749841 is a wasteful number, since it uses less digits than its factorization.

3749841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138892 (or 138886 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3749841 is about 1936.4506190451. The cubic root of 3749841 is about 155.3594294890.

The spelling of 3749841 in words is "three million, seven hundred forty-nine thousand, eight hundred forty-one".