2040356 has 6 divisors (see below), whose sum is σ = 3570630. Its totient is φ = 1020176.

The previous prime is 2040331. The next prime is 2040361. The reversal of 2040356 is 6530402.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 401956 = 1280^2 + 634^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255041 + ... + 255048.

It is an arithmetic number, because the mean of its divisors is an integer number (595105).

2^2040356 is an apocalyptic number.

It is an amenable number.

2040356 is a deficient number, since it is larger than the sum of its proper divisors (1530274).

2040356 is a wasteful number, since it uses less digits than its factorization.

2040356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510093 (or 510091 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2040356 is about 1428.4103051995. The cubic root of 2040356 is about 126.8338911686.

Adding to 2040356 its reverse (6530402), we get a palindrome (8570758).

The spelling of 2040356 in words is "two million, forty thousand, three hundred fifty-six".