3947632283 has 4 divisors (see below), whose sum is σ = 4511579760. Its totient is φ = 3383684808.

The previous prime is 3947632253. The next prime is 3947632307. The reversal of 3947632283 is 3822367493.

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

It is not a de Polignac number, because 3947632283 - 2¹⁸ = 3947370139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3947632253) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 281973728 + ... + 281973741.

It is an arithmetic number, because the mean of its divisors is an integer number (1127894940).

Almost surely, 2^3947632283 is an apocalyptic number.

3947632283 is a deficient number, since it is larger than the sum of its proper divisors (563947477).

3947632283 is an equidigital number, since it uses as much as digits as its factorization.

3947632283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563947476.

The product of its digits is 1306368, while the sum is 47.

The square root of 3947632283 is about 62830.1860812142. The cubic root of 3947632283 is about 1580.4432184713.

The spelling of 3947632283 in words is "three billion, nine hundred forty-seven million, six hundred thirty-two thousand, two hundred eighty-three".