3952170861 has 16 divisors (see below), whose sum is σ = 5306357760. Its totient is φ = 2616410160.

The previous prime is 3952170853. The next prime is 3952170869. The reversal of 3952170861 is 1680712593.

It is an interprime number because it is at equal distance from previous prime (3952170853) and next prime (3952170869).

It is not a de Polignac number, because 3952170861 - 2³ = 3952170853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3952170869) 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 15 ways as a sum of consecutive naturals, for example, 746020 + ... + 751298.

It is an arithmetic number, because the mean of its divisors is an integer number (331647360).

Almost surely, 2^3952170861 is an apocalyptic number.

It is an amenable number.

3952170861 is a deficient number, since it is larger than the sum of its proper divisors (1354186899).

3952170861 is a wasteful number, since it uses less digits than its factorization.

3952170861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6976.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 3952170861 is about 62866.2935204550. The cubic root of 3952170861 is about 1581.0486630476.

The spelling of 3952170861 in words is "three billion, nine hundred fifty-two million, one hundred seventy thousand, eight hundred sixty-one".