3994767522 has 12 divisors (see below), whose sum is σ = 8655329670. Its totient is φ = 1331589168.

The previous prime is 3994767521. The next prime is 3994767527. The reversal of 3994767522 is 2257674993.

It can be written as a sum of positive squares in only one way, i.e., 2330861841 + 1663905681 = 48279^2 + 40791^2 .

It is not an unprimeable number, because it can be changed into a prime (3994767521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110965747 + ... + 110965782.

Almost surely, 2^3994767522 is an apocalyptic number.

3994767522 is an abundant number, since it is smaller than the sum of its proper divisors (4660562148).

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

3994767522 is a wasteful number, since it uses less digits than its factorization.

3994767522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221931537 (or 221931534 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 3994767522 is about 63204.1732957563. The cubic root of 3994767522 is about 1586.7085798448.

The spelling of 3994767522 in words is "three billion, nine hundred ninety-four million, seven hundred sixty-seven thousand, five hundred twenty-two".