3948750399 has 16 divisors (see below), whose sum is σ = 5802854400. Its totient is φ = 2368508160.

The previous prime is 3948750389. The next prime is 3948750419. The reversal of 3948750399 is 9930578493.

3948750399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3948750399 - 2⁵ = 3948750367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948750349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613599 + ... + 620000.

It is an arithmetic number, because the mean of its divisors is an integer number (362678400).

Almost surely, 2^3948750399 is an apocalyptic number.

3948750399 is a deficient number, since it is larger than the sum of its proper divisors (1854104001).

3948750399 is a wasteful number, since it uses less digits than its factorization.

3948750399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233710.

The product of its (nonzero) digits is 7348320, while the sum is 57.

The square root of 3948750399 is about 62839.0833717361. The cubic root of 3948750399 is about 1580.5924177812.

The spelling of 3948750399 in words is "three billion, nine hundred forty-eight million, seven hundred fifty thousand, three hundred ninety-nine".