2478384 has 40 divisors (see below), whose sum is σ = 7115120. Its totient is φ = 825984.

The previous prime is 2478373. The next prime is 2478403. The reversal of 2478384 is 4838742.

It is a super-2 number, since 2×2478384² = 12284774502912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (177878).

2^2478384 is an apocalyptic number.

2478384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2478384 is an abundant number, since it is smaller than the sum of its proper divisors (4636736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2478384 is a wasteful number, since it uses less digits than its factorization.

2478384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5754 (or 5742 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 2478384 is about 1574.2884106796. The cubic root of 2478384 is about 135.3285823165.

The spelling of 2478384 in words is "two million, four hundred seventy-eight thousand, three hundred eighty-four".