2471860 has 12 divisors (see below), whose sum is σ = 5190948. Its totient is φ = 988736.

The previous prime is 2471827. The next prime is 2471863. The reversal of 2471860 is 681742.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 1542564 = 964^2 + 1242^2 .

It is a super-4 number, since 4×2471860⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61777 + ... + 61816.

It is an arithmetic number, because the mean of its divisors is an integer number (432579).

2^2471860 is an apocalyptic number.

2471860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2471860 is an abundant number, since it is smaller than the sum of its proper divisors (2719088).

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

2471860 is a wasteful number, since it uses less digits than its factorization.

2471860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123602 (or 123600 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2471860 is about 1572.2149980203. The cubic root of 2471860 is about 135.2097334355.

The spelling of 2471860 in words is "two million, four hundred seventy-one thousand, eight hundred sixty".