3730393 has 8 divisors (see below), whose sum is σ = 3960000. Its totient is φ = 3506448.

The previous prime is 3730387. The next prime is 3730423. The reversal of 3730393 is 3930373.

It is the 789-th star number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3730393 is a prime.

It is a Duffinian number.

3730393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3730313) 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, 18 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (495000).

Almost surely, 2^3730393 is an apocalyptic number.

It is an amenable number.

3730393 is a deficient number, since it is larger than the sum of its proper divisors (229607).

3730393 is a wasteful number, since it uses less digits than its factorization.

3730393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 5103, while the sum is 28.

The square root of 3730393 is about 1931.4225327463. The cubic root of 3730393 is about 155.0903808646.

The spelling of 3730393 in words is "three million, seven hundred thirty thousand, three hundred ninety-three".