2090478 has 16 divisors (see below), whose sum is σ = 4502736. Its totient is φ = 643200.

The previous prime is 2090477. The next prime is 2090489. The reversal of 2090478 is 8740902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090477) 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, 13323 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (281421).

2^2090478 is an apocalyptic number.

2090478 is an abundant number, since it is smaller than the sum of its proper divisors (2412258).

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

2090478 is a wasteful number, since it uses less digits than its factorization.

2090478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26819.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2090478 is about 1445.8485397855. The cubic root of 2090478 is about 127.8640728282.

The spelling of 2090478 in words is "two million, ninety thousand, four hundred seventy-eight".