3948576349 has 4 divisors (see below), whose sum is σ = 4180845564. Its totient is φ = 3716307136.

The previous prime is 3948576343. The next prime is 3948576353. The reversal of 3948576349 is 9436758493.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9436758493 = 263 ⋅35881211.

It can be written as a sum of positive squares in 2 ways, for example, as 1264300249 + 2684276100 = 35557^2 + 51810^2 .

It is a cyclic number.

It is not a de Polignac number, because 3948576349 - 2¹³ = 3948568157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3948576293 and 3948576302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948576343) 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, 116134582 + ... + 116134615.

It is an arithmetic number, because the mean of its divisors is an integer number (1045211391).

Almost surely, 2^3948576349 is an apocalyptic number.

It is an amenable number.

3948576349 is a deficient number, since it is larger than the sum of its proper divisors (232269215).

3948576349 is a wasteful number, since it uses less digits than its factorization.

3948576349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232269214.

The product of its digits is 19595520, while the sum is 58.

The square root of 3948576349 is about 62837.6984699472. The cubic root of 3948576349 is about 1580.5691947255.

The spelling of 3948576349 in words is "three billion, nine hundred forty-eight million, five hundred seventy-six thousand, three hundred forty-nine".