2130490 has 32 divisors (see below), whose sum is σ = 4095360. Its totient is φ = 796224.

The previous prime is 2130473. The next prime is 2130493. The reversal of 2130490 is 940312.

2130490 = 75² + 76² + ... + 189².

It is a super-3 number, since 3×2130490³ = 29010803332069947000, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2130493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13492 + ... + 13648.

It is an arithmetic number, because the mean of its divisors is an integer number (127980).

2^2130490 is an apocalyptic number.

2130490 is a deficient number, since it is larger than the sum of its proper divisors (1964870).

2130490 is a wasteful number, since it uses less digits than its factorization.

2130490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2130490 is about 1459.6198135131. The cubic root of 2130490 is about 128.6747006835.

The spelling of 2130490 in words is "two million, one hundred thirty thousand, four hundred ninety".