4378480 has 40 divisors (see below), whose sum is σ = 10267200. Its totient is φ = 1736448.

The previous prime is 4378477. The next prime is 4378481. The reversal of 4378480 is 848734.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4378480² = 38342174220800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18201 + ... + 18439.

It is an arithmetic number, because the mean of its divisors is an integer number (256680).

Almost surely, 2^4378480 is an apocalyptic number.

4378480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4378480 is an abundant number, since it is smaller than the sum of its proper divisors (5888720).

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

4378480 is a wasteful number, since it uses less digits than its factorization.

4378480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 4378480 is about 2092.4817800879. The cubic root of 4378480 is about 163.5966690100.

The spelling of 4378480 in words is "four million, three hundred seventy-eight thousand, four hundred eighty".