8541990 has 64 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 2142720.

The previous prime is 8541983. The next prime is 8541991. The reversal of 8541990 is 991458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8541991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3660 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^8541990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8541990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12065760).

8541990 is an abundant number, since it is smaller than the sum of its proper divisors (15589530).

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

8541990 is a wasteful number, since it uses less digits than its factorization.

8541990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 8541990 is about 2922.6683013986. The cubic root of 8541990 is about 204.4182595070.

The spelling of 8541990 in words is "eight million, five hundred forty-one thousand, nine hundred ninety".