3871650842 has 8 divisors (see below), whose sum is σ = 5810965056. Its totient is φ = 1934662492.

The previous prime is 3871650841. The next prime is 3871650847. The reversal of 3871650842 is 2480561783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3871650793 and 3871650802.

It is not an unprimeable number, because it can be changed into a prime (3871650841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577298 + ... + 583965.

It is an arithmetic number, because the mean of its divisors is an integer number (726370632).

Almost surely, 2^3871650842 is an apocalyptic number.

3871650842 is a deficient number, since it is larger than the sum of its proper divisors (1939314214).

3871650842 is a wasteful number, since it uses less digits than its factorization.

3871650842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162932.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 3871650842 is about 62222.5910903749. The cubic root of 3871650842 is about 1570.2376804886.

The spelling of 3871650842 in words is "three billion, eight hundred seventy-one million, six hundred fifty thousand, eight hundred forty-two".