8164949 has 8 divisors (see below), whose sum is σ = 8893080. Its totient is φ = 7451136.

The previous prime is 8164943. The next prime is 8164967. The reversal of 8164949 is 9494618.

It can be written as a sum of positive squares in 4 ways, for example, as 1311025 + 6853924 = 1145^2 + 2618^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8164949 - 2⁸ = 8164693 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8164943) 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, 2372 + ... + 4685.

It is an arithmetic number, because the mean of its divisors is an integer number (1111635).

Almost surely, 2^8164949 is an apocalyptic number.

8164949 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

8164949 is a deficient number, since it is larger than the sum of its proper divisors (728131).

8164949 is a wasteful number, since it uses less digits than its factorization.

8164949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159.

The product of its digits is 62208, while the sum is 41.

The square root of 8164949 is about 2857.4374883801. The cubic root of 8164949 is about 201.3652344691.

The spelling of 8164949 in words is "eight million, one hundred sixty-four thousand, nine hundred forty-nine".