3980393 has 4 divisors (see below), whose sum is σ = 3995460. Its totient is φ = 3965328.

The previous prime is 3980387. The next prime is 3980399. The reversal of 3980393 is 3930893.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3980387) and next prime (3980399).

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 3211264 = 877^2 + 1792^2 .

It is a cyclic number.

It is not a de Polignac number, because 3980393 - 2⁴ = 3980377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3980399) 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 3 ways as a sum of consecutive naturals, for example, 7130 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (998865).

Almost surely, 2^3980393 is an apocalyptic number.

It is an amenable number.

3980393 is a deficient number, since it is larger than the sum of its proper divisors (15067).

3980393 is a wasteful number, since it uses less digits than its factorization.

3980393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3980393 is about 1995.0922284446. The cubic root of 3980393 is about 158.4803121496.

The spelling of 3980393 in words is "three million, nine hundred eighty thousand, three hundred ninety-three".