2830481 has 4 divisors (see below), whose sum is σ = 2890752. Its totient is φ = 2770212.

The previous prime is 2830469. The next prime is 2830489. The reversal of 2830481 is 1840382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2830481 is a prime.

It is a super-2 number, since 2×2830481² = 16023245382722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2830481.

It is not an unprimeable number, because it can be changed into a prime (2830489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30065 + ... + 30158.

It is an arithmetic number, because the mean of its divisors is an integer number (722688).

2^2830481 is an apocalyptic number.

It is an amenable number.

2830481 is a deficient number, since it is larger than the sum of its proper divisors (60271).

2830481 is an equidigital number, since it uses as much as digits as its factorization.

2830481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60270.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2830481 is about 1682.4033404627. The cubic root of 2830481 is about 141.4555792092.

Subtracting from 2830481 its reverse (1840382), we obtain a palindrome (990099).

The spelling of 2830481 in words is "two million, eight hundred thirty thousand, four hundred eighty-one".