89172441 has 8 divisors (see below), whose sum is σ = 132107360. Its totient is φ = 59448276.

The previous prime is 89172439. The next prime is 89172443. The reversal of 89172441 is 14427198.

It is an interprime number because it is at equal distance from previous prime (89172439) and next prime (89172443).

It is not a de Polignac number, because 89172441 - 2¹ = 89172439 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89172396 and 89172405.

It is not an unprimeable number, because it can be changed into a prime (89172443) 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, 1651315 + ... + 1651368.

It is an arithmetic number, because the mean of its divisors is an integer number (16513420).

Almost surely, 2^89172441 is an apocalyptic number.

It is an amenable number.

89172441 is a deficient number, since it is larger than the sum of its proper divisors (42934919).

89172441 is a wasteful number, since it uses less digits than its factorization.

89172441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302692 (or 3302686 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 89172441 is about 9443.1160640966. The cubic root of 89172441 is about 446.7626774997.

The spelling of 89172441 in words is "eighty-nine million, one hundred seventy-two thousand, four hundred forty-one".