2090704 has 40 divisors (see below), whose sum is σ = 5053248. Its totient is φ = 814080.

The previous prime is 2090689. The next prime is 2090717. The reversal of 2090704 is 4070902.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384 + ... + 2080.

2^2090704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2526624).

2090704 is an abundant number, since it is smaller than the sum of its proper divisors (2962544).

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

2090704 is a wasteful number, since it uses less digits than its factorization.

2090704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2090704 is about 1445.9266924710. The cubic root of 2090704 is about 127.8686804250.

The spelling of 2090704 in words is "two million, ninety thousand, seven hundred four".