2830420 has 24 divisors (see below), whose sum is σ = 5993064. Its totient is φ = 1122816.

The previous prime is 2830397. The next prime is 2830433. The reversal of 2830420 is 240382.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1077444 + 1752976 = 1038^2 + 1324^2 .

It is a super-2 number, since 2×2830420² = 16022554752800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (249711).

2^2830420 is an apocalyptic number.

2830420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2830420 is an abundant number, since it is smaller than the sum of its proper divisors (3162644).

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

2830420 is a wasteful number, since it uses less digits than its factorization.

2830420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2830420 is about 1682.3852115375. The cubic root of 2830420 is about 141.4545630271.

The spelling of 2830420 in words is "two million, eight hundred thirty thousand, four hundred twenty".