3896870387 has 2 divisors, whose sum is σ = 3896870388. Its totient is φ = 3896870386.

The previous prime is 3896870363. The next prime is 3896870431. The reversal of 3896870387 is 7830786983.

3896870387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3896870387 - 2⁶ = 3896870323 is a prime.

It is not a weakly prime, because it can be changed into another prime (3896870317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948435193 + 1948435194.

It is an arithmetic number, because the mean of its divisors is an integer number (1948435194).

Almost surely, 2^3896870387 is an apocalyptic number.

3896870387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896870387 is an equidigital number, since it uses as much as digits as its factorization.

3896870387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 3896870387 is about 62424.9179975433. The cubic root of 3896870387 is about 1573.6397610933.

The spelling of 3896870387 in words is "three billion, eight hundred ninety-six million, eight hundred seventy thousand, three hundred eighty-seven".