2050290 has 96 divisors (see below), whose sum is σ = 6177600. Its totient is φ = 466560.

The previous prime is 2050277. The next prime is 2050327. The reversal of 2050290 is 920502.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18756 + ... + 18864.

It is an arithmetic number, because the mean of its divisors is an integer number (64350).

2^2050290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2050290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088800).

2050290 is an abundant number, since it is smaller than the sum of its proper divisors (4127310).

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

2050290 is a wasteful number, since it uses less digits than its factorization.

2050290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2050290 is about 1431.8833751392. The cubic root of 2050290 is about 127.0393991881.

Adding to 2050290 its reverse (920502), we get a palindrome (2970792).

The spelling of 2050290 in words is "two million, fifty thousand, two hundred ninety".