2478924 has 60 divisors (see below), whose sum is σ = 7412944. Its totient is φ = 707616.

The previous prime is 2478899. The next prime is 2478937. The reversal of 2478924 is 4298742.

2478924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2478924² = 12290128395552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a zygodrome in base 3 and base 5.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1722 + ... + 2814.

2^2478924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2478924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706472).

2478924 is an abundant number, since it is smaller than the sum of its proper divisors (4934020).

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

2478924 is a wasteful number, since it uses less digits than its factorization.

2478924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1105 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2478924 is about 1574.4599073968. The cubic root of 2478924 is about 135.3384102431.

The spelling of 2478924 in words is "two million, four hundred seventy-eight thousand, nine hundred twenty-four".