93947897 has 4 divisors (see below), whose sum is σ = 94014096. Its totient is φ = 93881700.

The previous prime is 93947881. The next prime is 93947911. The reversal of 93947897 is 79874939.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 93947897 - 2⁴ = 93947881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93947857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30923 + ... + 33824.

It is an arithmetic number, because the mean of its divisors is an integer number (23503524).

Almost surely, 2^93947897 is an apocalyptic number.

It is an amenable number.

93947897 is a deficient number, since it is larger than the sum of its proper divisors (66199).

93947897 is a wasteful number, since it uses less digits than its factorization.

93947897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66198.

The product of its digits is 3429216, while the sum is 56.

The square root of 93947897 is about 9692.6723353263. The cubic root of 93947897 is about 454.5995704140.

The spelling of 93947897 in words is "ninety-three million, nine hundred forty-seven thousand, eight hundred ninety-seven".