4978224 has 60 divisors (see below), whose sum is σ = 14082432. Its totient is φ = 1641600.

The previous prime is 4978219. The next prime is 4978241. The reversal of 4978224 is 4228794.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25969 + ... + 26159.

Almost surely, 2^4978224 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 4978224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7041216).

4978224 is an abundant number, since it is smaller than the sum of its proper divisors (9104208).

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

4978224 is a wasteful number, since it uses less digits than its factorization.

4978224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 377 counting only the distinct ones).

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

The square root of 4978224 is about 2231.1934026435. The cubic root of 4978224 is about 170.7489905026.

The spelling of 4978224 in words is "four million, nine hundred seventy-eight thousand, two hundred twenty-four".