2478764 has 12 divisors (see below), whose sum is σ = 4368000. Its totient is φ = 1230768.

The previous prime is 2478761. The next prime is 2478793. The reversal of 2478764 is 4678742.

2478764 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 2×2478764² = 12288541935392, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁸ + 7⁵ + 8 + 7⁷ + 6 + 4¹⁰ .

It is not an unprimeable number, because it can be changed into a prime (2478761) 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, 1484 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (364000).

2^2478764 is an apocalyptic number.

It is an amenable number.

2478764 is a deficient number, since it is larger than the sum of its proper divisors (1889236).

2478764 is a wasteful number, since it uses less digits than its factorization.

2478764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312 (or 4310 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 2478764 is about 1574.4090955022. The cubic root of 2478764 is about 135.3354984137.

The spelling of 2478764 in words is "two million, four hundred seventy-eight thousand, seven hundred sixty-four".