2090394 has 16 divisors (see below), whose sum is σ = 4645440. Its totient is φ = 696780.

The previous prime is 2090381. The next prime is 2090441. The reversal of 2090394 is 4930902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19302 + ... + 19409.

It is an arithmetic number, because the mean of its divisors is an integer number (290340).

2^2090394 is an apocalyptic number.

2090394 is an abundant number, since it is smaller than the sum of its proper divisors (2555046).

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

2090394 is a wasteful number, since it uses less digits than its factorization.

2090394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38722 (or 38716 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2090394 is about 1445.8194908079. The cubic root of 2090394 is about 127.8623601855.

The spelling of 2090394 in words is "two million, ninety thousand, three hundred ninety-four".