3989274073 has 8 divisors (see below), whose sum is σ = 4016950920. Its totient is φ = 3961626240.

The previous prime is 3989274071. The next prime is 3989274097. The reversal of 3989274073 is 3704729893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 366799104 + 3622474969 = 19152^2 + 60187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3989274073 - 2¹ = 3989274071 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 3989274073.

It is not an unprimeable number, because it can be changed into a prime (3989274071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318693 + ... + 330973.

It is an arithmetic number, because the mean of its divisors is an integer number (502118865).

Almost surely, 2^3989274073 is an apocalyptic number.

It is an amenable number.

3989274073 is a deficient number, since it is larger than the sum of its proper divisors (27676847).

3989274073 is a wasteful number, since it uses less digits than its factorization.

3989274073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14507.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 3989274073 is about 63160.7003840204. The cubic root of 3989274073 is about 1585.9809195408.

The spelling of 3989274073 in words is "three billion, nine hundred eighty-nine million, two hundred seventy-four thousand, seventy-three".