3948134399 has 8 divisors (see below), whose sum is σ = 4313720448. Its totient is φ = 3583659160.

The previous prime is 3948134389. The next prime is 3948134413. The reversal of 3948134399 is 9934318493.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3948134399 - 2⁸ = 3948134143 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 3948134399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948134389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270257 + ... + 284490.

It is an arithmetic number, because the mean of its divisors is an integer number (539215056).

Almost surely, 2^3948134399 is an apocalyptic number.

3948134399 is a deficient number, since it is larger than the sum of its proper divisors (365586049).

3948134399 is a wasteful number, since it uses less digits than its factorization.

3948134399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555405.

The product of its digits is 2519424, while the sum is 53.

The square root of 3948134399 is about 62834.1817723443. The cubic root of 3948134399 is about 1580.5102233767.

The spelling of 3948134399 in words is "three billion, nine hundred forty-eight million, one hundred thirty-four thousand, three hundred ninety-nine".