2478930 has 32 divisors (see below), whose sum is σ = 6264000. Its totient is φ = 626112.

The previous prime is 2478899. The next prime is 2478937. The reversal of 2478930 is 398742.

2478930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2478930² = 12290187889800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2478891 and 2478900.

It is not an unprimeable number, because it can be changed into a prime (2478937) 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 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (195750).

2^2478930 is an apocalyptic number.

2478930 is an abundant number, since it is smaller than the sum of its proper divisors (3785070).

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

2478930 is a wasteful number, since it uses less digits than its factorization.

2478930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2478930 is about 1574.4618128110. The cubic root of 2478930 is about 135.3385194342.

The spelling of 2478930 in words is "two million, four hundred seventy-eight thousand, nine hundred thirty".