3720393 has 12 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 2472216.

The previous prime is 3720391. The next prime is 3720397. The reversal of 3720393 is 3930273.

It is not a de Polignac number, because 3720393 - 2¹ = 3720391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3720391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3880 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (449280).

Almost surely, 2^3720393 is an apocalyptic number.

It is an amenable number.

3720393 is a deficient number, since it is larger than the sum of its proper divisors (1670967).

3720393 is a wasteful number, since it uses less digits than its factorization.

3720393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 3720393 is about 1928.8320300119. The cubic root of 3720393 is about 154.9516741472.

The spelling of 3720393 in words is "three million, seven hundred twenty thousand, three hundred ninety-three".