3997700293 has 4 divisors (see below), whose sum is σ = 4004801568. Its totient is φ = 3990599020.

The previous prime is 3997700269. The next prime is 3997700303. The reversal of 3997700293 is 3920077993.

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 3997700293 - 2⁹ = 3997699781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997700233) 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, 3549793 + ... + 3550918.

It is an arithmetic number, because the mean of its divisors is an integer number (1001200392).

Almost surely, 2^3997700293 is an apocalyptic number.

It is an amenable number.

3997700293 is a deficient number, since it is larger than the sum of its proper divisors (7101275).

3997700293 is an equidigital number, since it uses as much as digits as its factorization.

3997700293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101274.

The product of its (nonzero) digits is 642978, while the sum is 49.

The square root of 3997700293 is about 63227.3698092843. The cubic root of 3997700293 is about 1587.0967805402.

It can be divided in two parts, 3997700 and 293, that added together give a palindrome (3997993).

The spelling of 3997700293 in words is "three billion, nine hundred ninety-seven million, seven hundred thousand, two hundred ninety-three".