3897815041 has 8 divisors (see below), whose sum is σ = 3953335680. Its totient is φ = 3842498352.

The previous prime is 3897815017. The next prime is 3897815081. The reversal of 3897815041 is 1405187983.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3897815041 - 2¹⁷ = 3897683969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3897814982 and 3897815000.

It is not an unprimeable number, because it can be changed into a prime (3897815081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12286 + ... + 89143.

It is an arithmetic number, because the mean of its divisors is an integer number (494166960).

Almost surely, 2^3897815041 is an apocalyptic number.

It is an amenable number.

3897815041 is a deficient number, since it is larger than the sum of its proper divisors (55520639).

3897815041 is a wasteful number, since it uses less digits than its factorization.

3897815041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101975.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 3897815041 is about 62432.4838605673. The cubic root of 3897815041 is about 1573.7669079953.

The spelling of 3897815041 in words is "three billion, eight hundred ninety-seven million, eight hundred fifteen thousand, forty-one".