3838965897 has 16 divisors (see below), whose sum is σ = 5520377408. Its totient is φ = 2359005120.

The previous prime is 3838965877. The next prime is 3838965901. The reversal of 3838965897 is 7985698383.

3838965897 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3838965897 - 2¹² = 3838961801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3838965877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44278 + ... + 98175.

It is an arithmetic number, because the mean of its divisors is an integer number (345023588).

Almost surely, 2^3838965897 is an apocalyptic number.

It is an amenable number.

3838965897 is a deficient number, since it is larger than the sum of its proper divisors (1681411511).

3838965897 is a wasteful number, since it uses less digits than its factorization.

3838965897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143160.

The product of its digits is 78382080, while the sum is 66.

The square root of 3838965897 is about 61959.3890947934. The cubic root of 3838965897 is about 1565.8064752234.

The spelling of 3838965897 in words is "three billion, eight hundred thirty-eight million, nine hundred sixty-five thousand, eight hundred ninety-seven".