2030690 has 16 divisors (see below), whose sum is σ = 3716280. Its totient is φ = 798720.

The previous prime is 2030683. The next prime is 2030711. The reversal of 2030690 is 960302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 942841 + 1087849 = 971^2 + 1043^2 .

It is a super-2 number, since 2×2030690² = 8247403752200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 2274.

2^2030690 is an apocalyptic number.

2030690 is a deficient number, since it is larger than the sum of its proper divisors (1685590).

2030690 is a wasteful number, since it uses less digits than its factorization.

2030690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2030690 is about 1425.0228068350. The cubic root of 2030690 is about 126.6332860639.

Adding to 2030690 its reverse (960302), we get a palindrome (2990992).

The spelling of 2030690 in words is "two million, thirty thousand, six hundred ninety".