2478297 has 16 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 1582272.

The previous prime is 2478293. The next prime is 2478323. The reversal of 2478297 is 7928742.

2478297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2478297 - 2² = 2478293 is a prime.

It is a super-2 number, since 2×2478297² = 12283912040418, which contains 22 as substring.

Its product of digits (56448) is a multiple of the sum of its prime divisors (392).

It is not an unprimeable number, because it can be changed into a prime (2478293) 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, 9079 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

2^2478297 is an apocalyptic number.

It is an amenable number.

2478297 is a deficient number, since it is larger than the sum of its proper divisors (969063).

2478297 is a wasteful number, since it uses less digits than its factorization.

2478297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 56448, while the sum is 39.

The square root of 2478297 is about 1574.2607789055. The cubic root of 2478297 is about 135.3269987949.

It can be divided in two parts, 2478 and 297, that added together give a triangular number (2775 = T₇₄).

The spelling of 2478297 in words is "two million, four hundred seventy-eight thousand, two hundred ninety-seven".