2090878 has 8 divisors (see below), whose sum is σ = 3154968. Its totient is φ = 1039224.

The previous prime is 2090873. The next prime is 2090923. The reversal of 2090878 is 8780902.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676 + ... + 3367.

It is an arithmetic number, because the mean of its divisors is an integer number (394371).

2^2090878 is an apocalyptic number.

2090878 is a deficient number, since it is larger than the sum of its proper divisors (1064090).

2090878 is a wasteful number, since it uses less digits than its factorization.

2090878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2090878 is about 1445.9868602446. The cubic root of 2090878 is about 127.8722276405.

The spelling of 2090878 in words is "two million, ninety thousand, eight hundred seventy-eight".