8180990 has 8 divisors (see below), whose sum is σ = 14725800. Its totient is φ = 3272392.

The previous prime is 8180989. The next prime is 8181007. The reversal of 8180990 is 990818.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8180990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409040 + ... + 409059.

It is an arithmetic number, because the mean of its divisors is an integer number (1840725).

Almost surely, 2^8180990 is an apocalyptic number.

8180990 is a deficient number, since it is larger than the sum of its proper divisors (6544810).

8180990 is a wasteful number, since it uses less digits than its factorization.

8180990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818106.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 8180990 is about 2860.2429966700. The cubic root of 8180990 is about 201.4970167468.

The spelling of 8180990 in words is "eight million, one hundred eighty thousand, nine hundred ninety".