2478408 has 32 divisors (see below), whose sum is σ = 6365760. Its totient is φ = 803520.

The previous prime is 2478407. The next prime is 2478449. The reversal of 2478408 is 8048742.

It is a super-2 number, since 2×2478408² = 12285012428928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (198930).

2^2478408 is an apocalyptic number.

It is an amenable number.

2478408 is an abundant number, since it is smaller than the sum of its proper divisors (3887352).

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

2478408 is a wasteful number, since it uses less digits than its factorization.

2478408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 2478408 is about 1574.2960331526. The cubic root of 2478408 is about 135.3290191436.

The spelling of 2478408 in words is "two million, four hundred seventy-eight thousand, four hundred eight".