2090901 has 8 divisors (see below), whose sum is σ = 2835360. Its totient is φ = 1370192.

The previous prime is 2090873. The next prime is 2090923. The reversal of 2090901 is 1090902.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2090901 - 2¹³ = 2082709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5730 + ... + 6083.

It is an arithmetic number, because the mean of its divisors is an integer number (354420).

2^2090901 is an apocalyptic number.

It is an amenable number.

2090901 is a deficient number, since it is larger than the sum of its proper divisors (744459).

2090901 is a wasteful number, since it uses less digits than its factorization.

2090901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 2090901 is about 1445.9948132687. The cubic root of 2090901 is about 127.8726965106.

Subtracting from 2090901 its reverse (1090902), we obtain a palindrome (999999).

The spelling of 2090901 in words is "two million, ninety thousand, nine hundred one".