3980993 has 4 divisors (see below), whose sum is σ = 3987120. Its totient is φ = 3974868.

The previous prime is 3980987. The next prime is 3981017. The reversal of 3980993 is 3990893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3980993 - 2¹⁸ = 3718849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3980993.

It is not an unprimeable number, because it can be changed into a prime (3980593) 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, 1955 + ... + 3432.

It is an arithmetic number, because the mean of its divisors is an integer number (996780).

Almost surely, 2^3980993 is an apocalyptic number.

It is an amenable number.

3980993 is a deficient number, since it is larger than the sum of its proper divisors (6127).

3980993 is an equidigital number, since it uses as much as digits as its factorization.

3980993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 3980993 is about 1995.2425917667. The cubic root of 3980993 is about 158.4882747980.

The spelling of 3980993 in words is "three million, nine hundred eighty thousand, nine hundred ninety-three".