3984023290 has 32 divisors (see below), whose sum is σ = 7728464016. Its totient is φ = 1469959680.

The previous prime is 3984023279. The next prime is 3984023299. The reversal of 3984023290 is 923204893.

It can be written as a sum of positive squares in 8 ways, for example, as 1713214881 + 2270808409 = 41391^2 + 47653^2 .

It is not an unprimeable number, because it can be changed into a prime (3984023299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182184 + ... + 202876.

Almost surely, 2^3984023290 is an apocalyptic number.

3984023290 is a deficient number, since it is larger than the sum of its proper divisors (3744440726).

3984023290 is a wasteful number, since it uses less digits than its factorization.

3984023290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22194.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 3984023290 is about 63119.1198449408. The cubic root of 3984023290 is about 1585.2847780160.

The spelling of 3984023290 in words is "three billion, nine hundred eighty-four million, twenty-three thousand, two hundred ninety".