4388478 has 8 divisors (see below), whose sum is σ = 8776968. Its totient is φ = 1462824.

The previous prime is 4388477. The next prime is 4388507. The reversal of 4388478 is 8748834.

It is a sphenic number, since it is the product of 3 distinct primes.

4388478 is an admirable number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365701 + ... + 365712.

It is an arithmetic number, because the mean of its divisors is an integer number (1097121).

Almost surely, 2^4388478 is an apocalyptic number.

4388478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4388478 is a wasteful number, since it uses less digits than its factorization.

4388478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731418.

The product of its digits is 172032, while the sum is 42.

The square root of 4388478 is about 2094.8694470062. The cubic root of 4388478 is about 163.7210954556.

The spelling of 4388478 in words is "four million, three hundred eighty-eight thousand, four hundred seventy-eight".