2478369 has 16 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 1565760.

The previous prime is 2478367. The next prime is 2478373. The reversal of 2478369 is 9638742.

It is not a de Polignac number, because 2478369 - 2¹ = 2478367 is a prime.

It is a super-2 number, since 2×2478369² = 12284625800322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5074 + ... + 5540.

It is an arithmetic number, because the mean of its divisors is an integer number (217620).

2^2478369 is an apocalyptic number.

2478369 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2478369 is a deficient number, since it is larger than the sum of its proper divisors (1003551).

2478369 is a wasteful number, since it uses less digits than its factorization.

2478369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 72576, while the sum is 39.

The square root of 2478369 is about 1574.2836466152. The cubic root of 2478369 is about 135.3283092982.

The spelling of 2478369 in words is "two million, four hundred seventy-eight thousand, three hundred sixty-nine".