16809092 has 6 divisors (see below), whose sum is σ = 29415918. Its totient is φ = 8404544.

The previous prime is 16809061. The next prime is 16809097. The reversal of 16809092 is 29090861.

It can be written as a sum of positive squares in only one way, i.e., 13060996 + 3748096 = 3614^2 + 1936^2 .

It is not an unprimeable number, because it can be changed into a prime (16809097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101133 + ... + 2101140.

It is an arithmetic number, because the mean of its divisors is an integer number (4902653).

Almost surely, 2^16809092 is an apocalyptic number.

It is an amenable number.

16809092 is a deficient number, since it is larger than the sum of its proper divisors (12606826).

16809092 is a wasteful number, since it uses less digits than its factorization.

16809092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202277 (or 4202275 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 16809092 is about 4099.8892667973. The cubic root of 16809092 is about 256.1620271484.

The spelling of 16809092 in words is "sixteen million, eight hundred nine thousand, ninety-two".