3896447131 has 2 divisors, whose sum is σ = 3896447132. Its totient is φ = 3896447130.

The previous prime is 3896446993. The next prime is 3896447207. The reversal of 3896447131 is 1317446983.

3896447131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3896447131 - 2¹³ = 3896438939 is a prime.

It is a super-2 number, since 2×3896447131² = 30364600489356262322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3896445131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948223565 + 1948223566.

It is an arithmetic number, because the mean of its divisors is an integer number (1948223566).

Almost surely, 2^3896447131 is an apocalyptic number.

3896447131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3896447131 is an equidigital number, since it uses as much as digits as its factorization.

3896447131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 3896447131 is about 62421.5277848916. The cubic root of 3896447131 is about 1573.5827857498.

The spelling of 3896447131 in words is "three billion, eight hundred ninety-six million, four hundred forty-seven thousand, one hundred thirty-one".