4478998 has 8 divisors (see below), whose sum is σ = 6900192. Its totient is φ = 2178936.

The previous prime is 4478993. The next prime is 4479001. The reversal of 4478998 is 8998744.

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

It is a super-2 number, since 2×4478998² = 40122846168008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478993) 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, 30190 + ... + 30337.

It is an arithmetic number, because the mean of its divisors is an integer number (862524).

Almost surely, 2^4478998 is an apocalyptic number.

4478998 is a deficient number, since it is larger than the sum of its proper divisors (2421194).

4478998 is a wasteful number, since it uses less digits than its factorization.

4478998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60566.

The product of its digits is 580608, while the sum is 49.

The square root of 4478998 is about 2116.3643353638. The cubic root of 4478998 is about 164.8391208144.

It can be divided in two parts, 4478 and 998, that added together give a square (5476 = 74²).

The spelling of 4478998 in words is "four million, four hundred seventy-eight thousand, nine hundred ninety-eight".