2478567 has 24 divisors (see below), whose sum is σ = 4143216. Its totient is φ = 1306368.

The previous prime is 2478557. The next prime is 2478587. The reversal of 2478567 is 7658742.

It is not a de Polignac number, because 2478567 - 2¹⁵ = 2445799 is a prime.

It is a super-2 number, since 2×2478567² = 12286588746978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁴ + 7 + 8³ + 5⁹ + 6² + 7³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478517) 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 23 ways as a sum of consecutive naturals, for example, 1263 + ... + 2559.

It is an arithmetic number, because the mean of its divisors is an integer number (172634).

2^2478567 is an apocalyptic number.

2478567 is a deficient number, since it is larger than the sum of its proper divisors (1664649).

2478567 is a wasteful number, since it uses less digits than its factorization.

2478567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1320 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 2478567 is about 1574.3465311043. The cubic root of 2478567 is about 135.3319130515.

The spelling of 2478567 in words is "two million, four hundred seventy-eight thousand, five hundred sixty-seven".