3897812966 has 8 divisors (see below), whose sum is σ = 5917162104. Its totient is φ = 1925425600.

The previous prime is 3897812957. The next prime is 3897813019. The reversal of 3897812966 is 6692187983.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11740235 + ... + 11740566.

It is an arithmetic number, because the mean of its divisors is an integer number (739645263).

Almost surely, 2^3897812966 is an apocalyptic number.

3897812966 is a deficient number, since it is larger than the sum of its proper divisors (2019349138).

3897812966 is a wasteful number, since it uses less digits than its factorization.

3897812966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480886.

The product of its digits is 7838208, while the sum is 59.

The square root of 3897812966 is about 62432.4672426134. The cubic root of 3897812966 is about 1573.7666287305.

The spelling of 3897812966 in words is "three billion, eight hundred ninety-seven million, eight hundred twelve thousand, nine hundred sixty-six".