2478427 has 12 divisors (see below), whose sum is σ = 2940496. Its totient is φ = 2046240.

The previous prime is 2478407. The next prime is 2478449. The reversal of 2478427 is 7248742.

It is a de Polignac number, because none of the positive numbers 2^k-2478427 is a prime.

It is a super-2 number, since 2×2478427² = 12285200788658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2478392 and 2478401.

It is not an unprimeable number, because it can be changed into a prime (2478407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5677 + ... + 6097.

2^2478427 is an apocalyptic number.

2478427 is a deficient number, since it is larger than the sum of its proper divisors (462069).

2478427 is an equidigital number, since it uses as much as digits as its factorization.

2478427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 457 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 2478427 is about 1574.3020675842. The cubic root of 2478427 is about 135.3293649630.

The spelling of 2478427 in words is "two million, four hundred seventy-eight thousand, four hundred twenty-seven".