2473840 has 60 divisors (see below), whose sum is σ = 6167016. Its totient is φ = 922624.

The previous prime is 2473837. The next prime is 2473871. The reversal of 2473840 is 483742.

It is a super-2 number, since 2×2473840² = 12239768691200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2473799 and 2473808.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23067 + ... + 23173.

2^2473840 is an apocalyptic number.

2473840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2473840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3083508).

2473840 is an abundant number, since it is smaller than the sum of its proper divisors (3693176).

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

2473840 is a wasteful number, since it uses less digits than its factorization.

2473840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2473840 is about 1572.8445568460. The cubic root of 2473840 is about 135.2458255312.

The spelling of 2473840 in words is "two million, four hundred seventy-three thousand, eight hundred forty".