3958202002 has 4 divisors (see below), whose sum is σ = 5937303006. Its totient is φ = 1979101000.

The previous prime is 3958201993. The next prime is 3958202009. The reversal of 3958202002 is 2002028593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2002028593 = 2531 ⋅791003.

It can be written as a sum of positive squares in only one way, i.e., 3129395481 + 828806521 = 55941^2 + 28789^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3958202009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989550499 + ... + 989550502.

Almost surely, 2^3958202002 is an apocalyptic number.

3958202002 is a deficient number, since it is larger than the sum of its proper divisors (1979101004).

3958202002 is a wasteful number, since it uses less digits than its factorization.

3958202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979101003.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3958202002 is about 62914.2432363292. The cubic root of 3958202002 is about 1581.8524981507.

The spelling of 3958202002 in words is "three billion, nine hundred fifty-eight million, two hundred two thousand, two".