89149 has 4 divisors (see below), whose sum is σ = 90720. Its totient is φ = 87580.

The previous prime is 89137. The next prime is 89153. The reversal of 89149 is 94198.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89149 - 2⁷ = 89021 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 89149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89119) 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, 697 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2⁸⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

89149 is a deficient number, since it is larger than the sum of its proper divisors (1571).

89149 is a wasteful number, since it uses less digits than its factorization.

89149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its digits is 2592, while the sum is 31.

The square root of 89149 is about 298.5782979387. The cubic root of 89149 is about 44.6723526832.

The spelling of 89149 in words is "eighty-nine thousand, one hundred forty-nine".