3973435284 has 144 divisors (see below), whose sum is σ = 11708971008. Its totient is φ = 1039433472.

The previous prime is 3973435283. The next prime is 3973435289. The reversal of 3973435284 is 4825343793.

It is a super-2 number, since 2×3973435284² = 31576375912272321312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973435283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 968742 + ... + 972834.

Almost surely, 2^3973435284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3973435284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5854485504).

3973435284 is an abundant number, since it is smaller than the sum of its proper divisors (7735535724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3973435284 is a wasteful number, since it uses less digits than its factorization.

3973435284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254 (or 4245 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The square root of 3973435284 is about 63035.1908381342. The cubic root of 3973435284 is about 1583.8791724359.

The spelling of 3973435284 in words is "three billion, nine hundred seventy-three million, four hundred thirty-five thousand, two hundred eighty-four".