3871214720 has 32 divisors (see below), whose sum is σ = 9254624220. Its totient is φ = 1548485632.

The previous prime is 3871214719. The next prime is 3871214729. The reversal of 3871214720 is 274121783.

It can be written as a sum of positive squares in 2 ways, for example, as 3379794496 + 491420224 = 58136^2 + 22168^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (3871214729) 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, 3023747 + ... + 3025026.

Almost surely, 2^3871214720 is an apocalyptic number.

It is an amenable number.

3871214720 is an abundant number, since it is smaller than the sum of its proper divisors (5383409500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3871214720 is an equidigital number, since it uses as much as digits as its factorization.

3871214720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6048792 (or 6048780 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3871214720 is about 62219.0864606674. The cubic root of 3871214720 is about 1570.1787184815.

The spelling of 3871214720 in words is "three billion, eight hundred seventy-one million, two hundred fourteen thousand, seven hundred twenty".