8081810 has 16 divisors (see below), whose sum is σ = 15869952. Its totient is φ = 2938800.

The previous prime is 8081803. The next prime is 8081813. The reversal of 8081810 is 181808.

It is a super-2 number, since 2×8081810² = 130631305752200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8081810.

It is not an unprimeable number, because it can be changed into a prime (8081813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36626 + ... + 36845.

It is an arithmetic number, because the mean of its divisors is an integer number (991872).

Almost surely, 2^8081810 is an apocalyptic number.

8081810 is a deficient number, since it is larger than the sum of its proper divisors (7788142).

8081810 is a wasteful number, since it uses less digits than its factorization.

8081810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73489.

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 8081810 is about 2842.8524407714. The cubic root of 8081810 is about 200.6794391981.

The spelling of 8081810 in words is "eight million, eighty-one thousand, eight hundred ten".