3954243794 has 16 divisors (see below), whose sum is σ = 6125000640. Its totient is φ = 1913420880.

The previous prime is 3954243773. The next prime is 3954243803. The reversal of 3954243794 is 4973424593.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201542 + ... + 220289.

It is an arithmetic number, because the mean of its divisors is an integer number (382812540).

Almost surely, 2^3954243794 is an apocalyptic number.

3954243794 is a deficient number, since it is larger than the sum of its proper divisors (2170756846).

3954243794 is a wasteful number, since it uses less digits than its factorization.

3954243794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421985.

The product of its digits is 3265920, while the sum is 50.

The square root of 3954243794 is about 62882.7781988042. The cubic root of 3954243794 is about 1581.3250373260.

The spelling of 3954243794 in words is "three billion, nine hundred fifty-four million, two hundred forty-three thousand, seven hundred ninety-four".