2478064 has 20 divisors (see below), whose sum is σ = 4881880. Its totient is φ = 1218240.

The previous prime is 2478041. The next prime is 2478067. The reversal of 2478064 is 4608742.

It is a super-2 number, since 2×2478064² = 12281602376192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478067) 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, 294 + ... + 2245.

It is an arithmetic number, because the mean of its divisors is an integer number (244094).

2^2478064 is an apocalyptic number.

It is an amenable number.

2478064 is a deficient number, since it is larger than the sum of its proper divisors (2403816).

2478064 is a wasteful number, since it uses less digits than its factorization.

2478064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2478064 is about 1574.1867741790. The cubic root of 2478064 is about 135.3227576864.

The spelling of 2478064 in words is "two million, four hundred seventy-eight thousand, sixty-four".