3872308449 has 4 divisors (see below), whose sum is σ = 5163077936. Its totient is φ = 2581538964.

The previous prime is 3872308441. The next prime is 3872308457. The reversal of 3872308449 is 9448032783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3872308441) and next prime (3872308457).

It is not a de Polignac number, because 3872308449 - 2³ = 3872308441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3872308398 and 3872308407.

It is not an unprimeable number, because it can be changed into a prime (3872308441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645384739 + ... + 645384744.

It is an arithmetic number, because the mean of its divisors is an integer number (1290769484).

Almost surely, 2^3872308449 is an apocalyptic number.

It is an amenable number.

3872308449 is a deficient number, since it is larger than the sum of its proper divisors (1290769487).

3872308449 is a wasteful number, since it uses less digits than its factorization.

3872308449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290769486.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 3872308449 is about 62227.8751766441. The cubic root of 3872308449 is about 1570.3265780395.

The spelling of 3872308449 in words is "three billion, eight hundred seventy-two million, three hundred eight thousand, four hundred forty-nine".