4478246 has 4 divisors (see below), whose sum is σ = 6717372. Its totient is φ = 2239122.

The previous prime is 4478237. The next prime is 4478249. The reversal of 4478246 is 6428744.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119560 + ... + 1119563.

It is an arithmetic number, because the mean of its divisors is an integer number (1679343).

Almost surely, 2^4478246 is an apocalyptic number.

4478246 is a deficient number, since it is larger than the sum of its proper divisors (2239126).

4478246 is a wasteful number, since it uses less digits than its factorization.

4478246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239125.

The product of its digits is 43008, while the sum is 35.

The square root of 4478246 is about 2116.1866647345. The cubic root of 4478246 is about 164.8298950935.

Adding to 4478246 its product of digits (43008), we get a palindrome (4521254).

The spelling of 4478246 in words is "four million, four hundred seventy-eight thousand, two hundred forty-six".