3946942803 has 4 divisors (see below), whose sum is σ = 5262590408. Its totient is φ = 2631295200.

The previous prime is 3946942793. The next prime is 3946942817. The reversal of 3946942803 is 3082496493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3082496493 = 3 ⋅1027498831.

It is not a de Polignac number, because 3946942803 - 2⁴ = 3946942787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946942823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657823798 + ... + 657823803.

It is an arithmetic number, because the mean of its divisors is an integer number (1315647602).

Almost surely, 2^3946942803 is an apocalyptic number.

3946942803 is a deficient number, since it is larger than the sum of its proper divisors (1315647605).

3946942803 is a wasteful number, since it uses less digits than its factorization.

3946942803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315647604.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 3946942803 is about 62824.6989885348. The cubic root of 3946942803 is about 1580.3512015053.

The spelling of 3946942803 in words is "three billion, nine hundred forty-six million, nine hundred forty-two thousand, eight hundred three".