8272818 has 24 divisors (see below), whose sum is σ = 18023148. Its totient is φ = 2742432.

The previous prime is 8272787. The next prime is 8272819. The reversal of 8272818 is 8182728.

It can be written as a sum of positive squares in 2 ways, for example, as 7800849 + 471969 = 2793^2 + 687^2 .

It is a super-2 number, since 2×8272818² = 136879035322248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8272819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380 + ... + 4712.

Almost surely, 2^8272818 is an apocalyptic number.

8272818 is an abundant number, since it is smaller than the sum of its proper divisors (9750330).

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

8272818 is a wasteful number, since it uses less digits than its factorization.

8272818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538 (or 2535 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 8272818 is about 2876.2506844849. The cubic root of 8272818 is about 202.2481184662.

It can be divided in two parts, 82 and 72818, that added together give a square (72900 = 270²).

The spelling of 8272818 in words is "eight million, two hundred seventy-two thousand, eight hundred eighteen".