89896571 has 4 divisors (see below), whose sum is σ = 91809312. Its totient is φ = 87983832.

The previous prime is 89896537. The next prime is 89896591. The reversal of 89896571 is 17569898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17569898 = 2 ⋅8784949.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89896571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89896511) 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, 956300 + ... + 956393.

It is an arithmetic number, because the mean of its divisors is an integer number (22952328).

Almost surely, 2^89896571 is an apocalyptic number.

89896571 is a deficient number, since it is larger than the sum of its proper divisors (1912741).

89896571 is a wasteful number, since it uses less digits than its factorization.

89896571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912740.

The product of its digits is 1088640, while the sum is 53.

The square root of 89896571 is about 9481.3802265282. The cubic root of 89896571 is about 447.9687395147.

The spelling of 89896571 in words is "eighty-nine million, eight hundred ninety-six thousand, five hundred seventy-one".