3749845 has 16 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 2632000.

The previous prime is 3749833. The next prime is 3749849. The reversal of 3749845 is 5489473.

It is not a de Polignac number, because 3749845 - 2¹³ = 3741653 is a prime.

It is a super-3 number, since 3×3749845³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3749798 and 3749807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420 + ... + 2770.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^3749845 is an apocalyptic number.

It is an amenable number.

3749845 is a deficient number, since it is larger than the sum of its proper divisors (1330475).

3749845 is a wasteful number, since it uses less digits than its factorization.

3749845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396.

The product of its digits is 120960, while the sum is 40.

The square root of 3749845 is about 1936.4516518622. The cubic root of 3749845 is about 155.3594847303.

The spelling of 3749845 in words is "three million, seven hundred forty-nine thousand, eight hundred forty-five".