89187442 has 8 divisors (see below), whose sum is σ = 134238636. Its totient is φ = 44441232.

The previous prime is 89187437. The next prime is 89187451. The reversal of 89187442 is 24478198.

It can be written as a sum of positive squares in 2 ways, for example, as 76930441 + 12257001 = 8771^2 + 3501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75513 + ... + 76684.

Almost surely, 2^89187442 is an apocalyptic number.

89187442 is a deficient number, since it is larger than the sum of its proper divisors (45051194).

89187442 is a wasteful number, since it uses less digits than its factorization.

89187442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152492.

The product of its digits is 129024, while the sum is 43.

The square root of 89187442 is about 9443.9103130006. The cubic root of 89187442 is about 446.7877282556.

The spelling of 89187442 in words is "eighty-nine million, one hundred eighty-seven thousand, four hundred forty-two".