3948223546 has 4 divisors (see below), whose sum is σ = 5922335322. Its totient is φ = 1974111772.

The previous prime is 3948223529. The next prime is 3948223567. The reversal of 3948223546 is 6453228493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6453228493 = 269 ⋅23989697.

It can be written as a sum of positive squares in only one way, i.e., 3199599225 + 748624321 = 56565^2 + 27361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3948223496 and 3948223505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987055885 + ... + 987055888.

Almost surely, 2^3948223546 is an apocalyptic number.

3948223546 is a deficient number, since it is larger than the sum of its proper divisors (1974111776).

3948223546 is a wasteful number, since it uses less digits than its factorization.

3948223546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974111775.

The product of its digits is 1244160, while the sum is 46.

The square root of 3948223546 is about 62834.8911513341. The cubic root of 3948223546 is about 1580.5221190106.

The spelling of 3948223546 in words is "three billion, nine hundred forty-eight million, two hundred twenty-three thousand, five hundred forty-six".