93897945 has 12 divisors (see below), whose sum is σ = 162756516. Its totient is φ = 50078880.

The previous prime is 93897907. The next prime is 93897949. The reversal of 93897945 is 54979839.

It can be written as a sum of positive squares in 2 ways, for example, as 23941449 + 69956496 = 4893^2 + 8364^2 .

It is not a de Polignac number, because 93897945 - 2¹⁰ = 93896921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 93897891 and 93897900.

It is not an unprimeable number, because it can be changed into a prime (93897949) 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 11 ways as a sum of consecutive naturals, for example, 1043266 + ... + 1043355.

It is an arithmetic number, because the mean of its divisors is an integer number (13563043).

Almost surely, 2^93897945 is an apocalyptic number.

It is an amenable number.

93897945 is a deficient number, since it is larger than the sum of its proper divisors (68858571).

93897945 is a wasteful number, since it uses less digits than its factorization.

93897945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086632 (or 2086629 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 93897945 is about 9690.0952007707. The cubic root of 93897945 is about 454.5189860891.

The spelling of 93897945 in words is "ninety-three million, eight hundred ninety-seven thousand, nine hundred forty-five".