3974797389 has 16 divisors (see below), whose sum is σ = 5384171520. Its totient is φ = 2607861360.

The previous prime is 3974797369. The next prime is 3974797399. The reversal of 3974797389 is 9837974793.

It is not a de Polignac number, because 3974797389 - 2⁸ = 3974797133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974797369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46744 + ... + 100670.

It is an arithmetic number, because the mean of its divisors is an integer number (336510720).

Almost surely, 2^3974797389 is an apocalyptic number.

It is an amenable number.

3974797389 is a deficient number, since it is larger than the sum of its proper divisors (1409374131).

3974797389 is a wasteful number, since it uses less digits than its factorization.

3974797389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54320.

The product of its digits is 72013536, while the sum is 66.

The square root of 3974797389 is about 63045.9942343683. The cubic root of 3974797389 is about 1584.0601378651.

The spelling of 3974797389 in words is "three billion, nine hundred seventy-four million, seven hundred ninety-seven thousand, three hundred eighty-nine".