8164489 has 4 divisors (see below), whose sum is σ = 8173440. Its totient is φ = 8155540.

The previous prime is 8164477. The next prime is 8164523. The reversal of 8164489 is 9844618.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8164489 - 2¹³ = 8156297 is a prime.

It is a super-2 number, since 2×8164489² = 133317761262242, which contains 22 as substring.

It is a Duffinian number.

8164489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8164469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2929 + ... + 4990.

It is an arithmetic number, because the mean of its divisors is an integer number (2043360).

Almost surely, 2^8164489 is an apocalyptic number.

It is an amenable number.

8164489 is a deficient number, since it is larger than the sum of its proper divisors (8951).

8164489 is a wasteful number, since it uses less digits than its factorization.

8164489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950.

The product of its digits is 55296, while the sum is 40.

The square root of 8164489 is about 2857.3569955468. The cubic root of 8164489 is about 201.3614528677.

The spelling of 8164489 in words is "eight million, one hundred sixty-four thousand, four hundred eighty-nine".