1008090 has 48 divisors (see below), whose sum is σ = 2740608. Its totient is φ = 256608.

The previous prime is 1008043. The next prime is 1008101. The reversal of 1008090 is 908001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1827 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (57096).

2^1008090 is an apocalyptic number.

1008090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1008090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370304).

1008090 is an abundant number, since it is smaller than the sum of its proper divisors (1732518).

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

1008090 is a wasteful number, since it uses less digits than its factorization.

1008090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1008090 is about 1004.0368519133. The cubic root of 1008090 is about 100.2689427164.

The spelling of 1008090 in words is "one million, eight thousand, ninety".