3982013393 has 4 divisors (see below), whose sum is σ = 3983722548. Its totient is φ = 3980304240.

The previous prime is 3982013389. The next prime is 3982013401. The reversal of 3982013393 is 3933102893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3933102893 = 32233 ⋅122021.

It can be written as a sum of positive squares in 2 ways, for example, as 1060935184 + 2921078209 = 32572^2 + 54047^2 .

It is a cyclic number.

It is not a de Polignac number, because 3982013393 - 2² = 3982013389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3982013393.

It is not an unprimeable number, because it can be changed into a prime (3982013363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851078 + ... + 855743.

It is an arithmetic number, because the mean of its divisors is an integer number (995930637).

Almost surely, 2^3982013393 is an apocalyptic number.

It is an amenable number.

3982013393 is a deficient number, since it is larger than the sum of its proper divisors (1709155).

3982013393 is a wasteful number, since it uses less digits than its factorization.

3982013393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709154.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 3982013393 is about 63103.1963770458. The cubic root of 3982013393 is about 1585.0181467868.

The spelling of 3982013393 in words is "three billion, nine hundred eighty-two million, thirteen thousand, three hundred ninety-three".