2471620 has 12 divisors (see below), whose sum is σ = 5190444. Its totient is φ = 988640.

The previous prime is 2471611. The next prime is 2471621. The reversal of 2471620 is 261742.

2471620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 1406596 = 1032^2 + 1186^2 .

It is a super-2 number, since 2×2471620² = 12217810848800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2471591 and 2471600.

It is not an unprimeable number, because it can be changed into a prime (2471621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61771 + ... + 61810.

It is an arithmetic number, because the mean of its divisors is an integer number (432537).

2^2471620 is an apocalyptic number.

2471620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2471620 is an abundant number, since it is smaller than the sum of its proper divisors (2718824).

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

2471620 is a wasteful number, since it uses less digits than its factorization.

2471620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123590 (or 123588 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2471620 is about 1572.1386707285. The cubic root of 2471620 is about 135.2053573265.

The spelling of 2471620 in words is "two million, four hundred seventy-one thousand, six hundred twenty".