89533971 has 8 divisors (see below), whose sum is σ = 132642960. Its totient is φ = 59689296.

The previous prime is 89533957. The next prime is 89533973. The reversal of 89533971 is 17933598.

It is a happy number.

It is not a de Polignac number, because 89533971 - 2¹⁷ = 89402899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89533973) 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, 1658010 + ... + 1658063.

It is an arithmetic number, because the mean of its divisors is an integer number (16580370).

Almost surely, 2^89533971 is an apocalyptic number.

89533971 is a deficient number, since it is larger than the sum of its proper divisors (43108989).

89533971 is a wasteful number, since it uses less digits than its factorization.

89533971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316082 (or 3316076 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 89533971 is about 9462.2392170141. The cubic root of 89533971 is about 447.3656303083.

The spelling of 89533971 in words is "eighty-nine million, five hundred thirty-three thousand, nine hundred seventy-one".