3948699347 has 4 divisors (see below), whose sum is σ = 3949533840. Its totient is φ = 3947864856.

The previous prime is 3948699341. The next prime is 3948699379. The reversal of 3948699347 is 7439968493.

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

It is a cyclic number.

It is not a de Polignac number, because 3948699347 - 2²² = 3944505043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948699347.

It is not an unprimeable number, because it can be changed into a prime (3948699341) 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, 410108 + ... + 419625.

It is an arithmetic number, because the mean of its divisors is an integer number (987383460).

Almost surely, 2^3948699347 is an apocalyptic number.

3948699347 is a deficient number, since it is larger than the sum of its proper divisors (834493).

3948699347 is an equidigital number, since it uses as much as digits as its factorization.

3948699347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834492.

The product of its digits is 35271936, while the sum is 62.

The square root of 3948699347 is about 62838.6771582598. The cubic root of 3948699347 is about 1580.5856061114.

The spelling of 3948699347 in words is "three billion, nine hundred forty-eight million, six hundred ninety-nine thousand, three hundred forty-seven".