2090442 has 8 divisors (see below), whose sum is σ = 4180896. Its totient is φ = 696812.

The previous prime is 2090441. The next prime is 2090461. The reversal of 2090442 is 2440902.

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

2090442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2090441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174198 + ... + 174209.

It is an arithmetic number, because the mean of its divisors is an integer number (522612).

2^2090442 is an apocalyptic number.

2090442 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.

2090442 is a wasteful number, since it uses less digits than its factorization.

2090442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348412.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2090442 is about 1445.8360902952. The cubic root of 2090442 is about 127.8633388441.

The spelling of 2090442 in words is "two million, ninety thousand, four hundred forty-two".