8401818 has 8 divisors (see below), whose sum is σ = 16803648. Its totient is φ = 2800604.

The previous prime is 8401807. The next prime is 8401873. The reversal of 8401818 is 8181048.

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

8401818 is an admirable number.

8401818 is a modest number, since divided by 1818 gives 840 as remainder.

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, 700146 + ... + 700157.

It is an arithmetic number, because the mean of its divisors is an integer number (2100456).

Almost surely, 2^8401818 is an apocalyptic number.

8401818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8401818 is a wasteful number, since it uses less digits than its factorization.

8401818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400308.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 8401818 is about 2898.5889670666. The cubic root of 8401818 is about 203.2939354525.

The spelling of 8401818 in words is "eight million, four hundred one thousand, eight hundred eighteen".