2473216 has 18 divisors (see below), whose sum is σ = 4937282. Its totient is φ = 1236480.

The previous prime is 2473193. The next prime is 2473217. The reversal of 2473216 is 6123742.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 1218816 = 1120^2 + 1104^2 .

It is a super-2 number, since 2×2473216² = 12233594765312, which contains 22 as substring.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4575 + ... + 5086.

2^2473216 is an apocalyptic number.

It is an amenable number.

2473216 is a deficient number, since it is larger than the sum of its proper divisors (2464066).

2473216 is an frugal number, since it uses more digits than its factorization.

2473216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677 (or 9663 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 2473216 is about 1572.6461776255. The cubic root of 2473216 is about 135.2344531315.

Adding to 2473216 its reverse (6123742), we get a palindrome (8596958).

The spelling of 2473216 in words is "two million, four hundred seventy-three thousand, two hundred sixteen".