3947747282 has 8 divisors (see below), whose sum is σ = 5927258352. Its totient is φ = 1971994500.

The previous prime is 3947747273. The next prime is 3947747317. The reversal of 3947747282 is 2827477493.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936944 + ... + 941147.

It is an arithmetic number, because the mean of its divisors is an integer number (740907294).

Almost surely, 2^3947747282 is an apocalyptic number.

3947747282 is a deficient number, since it is larger than the sum of its proper divisors (1979511070).

3947747282 is a wasteful number, since it uses less digits than its factorization.

3947747282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879144.

The product of its digits is 4741632, while the sum is 53.

The square root of 3947747282 is about 62831.1012317944. The cubic root of 3947747282 is about 1580.4585650226.

The spelling of 3947747282 in words is "three billion, nine hundred forty-seven million, seven hundred forty-seven thousand, two hundred eighty-two".