89671356 has 36 divisors (see below), whose sum is σ = 227688552. Its totient is φ = 29756064.

The previous prime is 89671349. The next prime is 89671363. The reversal of 89671356 is 65317698.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89671349) and next prime (89671363).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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, 2686 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (6324682).

Almost surely, 2^89671356 is an apocalyptic number.

It is an amenable number.

89671356 is an abundant number, since it is smaller than the sum of its proper divisors (138017196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89671356 is a wasteful number, since it uses less digits than its factorization.

89671356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11210 (or 11205 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 89671356 is about 9469.4960795176. The cubic root of 89671356 is about 447.5943327656.

The spelling of 89671356 in words is "eighty-nine million, six hundred seventy-one thousand, three hundred fifty-six".