4478972 has 12 divisors (see below), whose sum is σ = 7856856. Its totient is φ = 2234160.

The previous prime is 4478917. The next prime is 4478983. The reversal of 4478972 is 2798744.

It is a super-2 number, since 2×4478972² = 40122380353568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (654738).

Almost surely, 2^4478972 is an apocalyptic number.

It is an amenable number.

4478972 is a deficient number, since it is larger than the sum of its proper divisors (3377884).

4478972 is a wasteful number, since it uses less digits than its factorization.

4478972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 2666 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 4478972 is about 2116.3581927453. The cubic root of 4478972 is about 164.8388018573.

The spelling of 4478972 in words is "four million, four hundred seventy-eight thousand, nine hundred seventy-two".