2478407 has 2 divisors, whose sum is σ = 2478408. Its totient is φ = 2478406.

The previous prime is 2478403. The next prime is 2478449. The reversal of 2478407 is 7048742.

2478407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478407 - 2² = 2478403 is a prime.

It is a super-2 number, since 2×2478407² = 12285002515298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478403) 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 as a sum of consecutive naturals, namely, 1239203 + 1239204.

It is an arithmetic number, because the mean of its divisors is an integer number (1239204).

2^2478407 is an apocalyptic number.

2478407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478407 is an equidigital number, since it uses as much as digits as its factorization.

2478407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 2478407 is about 1574.2957155503. The cubic root of 2478407 is about 135.3290009425.

The spelling of 2478407 in words is "two million, four hundred seventy-eight thousand, four hundred seven".