2061290 has 32 divisors (see below), whose sum is σ = 4627584. Its totient is φ = 642240.

The previous prime is 2061289. The next prime is 2061313. The reversal of 2061290 is 921602.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (144612).

2^2061290 is an apocalyptic number.

2061290 is an abundant number, since it is smaller than the sum of its proper divisors (2566294).

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

2061290 is a wasteful number, since it uses less digits than its factorization.

2061290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2061290 is about 1435.7193319030. The cubic root of 2061290 is about 127.2661868933.

Adding to 2061290 its reverse (921602), we get a palindrome (2982892).

It can be divided in two parts, 20612 and 90, that added together give a palindrome (20702).

The spelling of 2061290 in words is "two million, sixty-one thousand, two hundred ninety".