8472869 has 2 divisors, whose sum is σ = 8472870. Its totient is φ = 8472868.

The previous prime is 8472859. The next prime is 8472881. The reversal of 8472869 is 9682748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5452225 + 3020644 = 2335^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 8472869 - 2¹² = 8468773 is a prime.

It is a super-2 number, since 2×8472869² = 143579018182322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8472859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236434 + 4236435.

It is an arithmetic number, because the mean of its divisors is an integer number (4236435).

Almost surely, 2^8472869 is an apocalyptic number.

It is an amenable number.

8472869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8472869 is an equidigital number, since it uses as much as digits as its factorization.

8472869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 8472869 is about 2910.8193004719. The cubic root of 8472869 is about 203.8653876129.

The spelling of 8472869 in words is "eight million, four hundred seventy-two thousand, eight hundred sixty-nine".