3733641 has 8 divisors (see below), whose sum is σ = 5531360. Its totient is φ = 2489076.

The previous prime is 3733637. The next prime is 3733649. The reversal of 3733641 is 1463373.

It is a happy number.

3733641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3733641 - 2² = 3733637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 138283 = 3733641 / (3 + 7 + 3 + 3 + 6 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3733649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69115 + ... + 69168.

It is an arithmetic number, because the mean of its divisors is an integer number (691420).

Almost surely, 2^3733641 is an apocalyptic number.

It is an amenable number.

3733641 is a deficient number, since it is larger than the sum of its proper divisors (1797719).

3733641 is a wasteful number, since it uses less digits than its factorization.

3733641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138292 (or 138286 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 3733641 is about 1932.2631808323. The cubic root of 3733641 is about 155.1353794684.

The spelling of 3733641 in words is "three million, seven hundred thirty-three thousand, six hundred forty-one".