3990174338 has 4 divisors (see below), whose sum is σ = 5985261510. Its totient is φ = 1995087168.

The previous prime is 3990174317. The next prime is 3990174367. The reversal of 3990174338 is 8334710993.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3794929609 + 195244729 = 61603^2 + 13973^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3990174292 and 3990174301.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 997543583 + ... + 997543586.

Almost surely, 2^3990174338 is an apocalyptic number.

3990174338 is a deficient number, since it is larger than the sum of its proper divisors (1995087172).

3990174338 is a wasteful number, since it uses less digits than its factorization.

3990174338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995087171.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 3990174338 is about 63167.8267633136. The cubic root of 3990174338 is about 1586.1002140703.

The spelling of 3990174338 in words is "three billion, nine hundred ninety million, one hundred seventy-four thousand, three hundred thirty-eight".