8209492 has 12 divisors (see below), whose sum is σ = 14394996. Its totient is φ = 4096640.

The previous prime is 8209489. The next prime is 8209493. The reversal of 8209492 is 2949028.

It can be written as a sum of positive squares in 2 ways, for example, as 3254416 + 4955076 = 1804^2 + 2226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8209493) 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, 642 + ... + 4102.

It is an arithmetic number, because the mean of its divisors is an integer number (1199583).

Almost surely, 2^8209492 is an apocalyptic number.

It is an amenable number.

8209492 is a deficient number, since it is larger than the sum of its proper divisors (6185504).

8209492 is a wasteful number, since it uses less digits than its factorization.

8209492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4056 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8209492 is about 2865.2211083963. The cubic root of 8209492 is about 201.7307460537.

The spelling of 8209492 in words is "eight million, two hundred nine thousand, four hundred ninety-two".