3942195285 has 72 divisors (see below), whose sum is σ = 7670950560. Its totient is φ = 1723622208.

The previous prime is 3942195253. The next prime is 3942195287. The reversal of 3942195285 is 5825912493.

It is a happy number.

3942195285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3942195285 - 2⁵ = 3942195253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942195287) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 383746 + ... + 393884.

It is an arithmetic number, because the mean of its divisors is an integer number (106540980).

Almost surely, 2^3942195285 is an apocalyptic number.

3942195285 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3942195285 is a deficient number, since it is larger than the sum of its proper divisors (3728755275).

3942195285 is a wasteful number, since it uses less digits than its factorization.

3942195285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10207 (or 10177 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 3942195285 is about 62786.9037698149. The cubic root of 3942195285 is about 1579.7173137641.

The spelling of 3942195285 in words is "three billion, nine hundred forty-two million, one hundred ninety-five thousand, two hundred eighty-five".