3081424 has 30 divisors (see below), whose sum is σ = 6210230. Its totient is φ = 1481088.

The previous prime is 3081413. The next prime is 3081433. The reversal of 3081424 is 4241803.

It can be written as a sum of positive squares in 3 ways, for example, as 1210000 + 1871424 = 1100^2 + 1368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3081395 and 3081404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13342 + ... + 13570.

Almost surely, 2^3081424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3105115).

3081424 is an abundant number, since it is smaller than the sum of its proper divisors (3128806).

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

3081424 is a wasteful number, since it uses less digits than its factorization.

3081424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3081424 is about 1755.3985302489. The cubic root of 3081424 is about 145.5181462392.

The spelling of 3081424 in words is "three million, eighty-one thousand, four hundred twenty-four".