89802469 has 2 divisors, whose sum is σ = 89802470. Its totient is φ = 89802468.

The previous prime is 89802451. The next prime is 89802481. The reversal of 89802469 is 96420898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66618244 + 23184225 = 8162^2 + 4815^2 .

It is a cyclic number.

It is not a de Polignac number, because 89802469 - 2¹¹ = 89800421 is a prime.

It is a super-2 number, since 2×89802469² = 16128966876991922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89802269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44901234 + 44901235.

It is an arithmetic number, because the mean of its divisors is an integer number (44901235).

Almost surely, 2^89802469 is an apocalyptic number.

It is an amenable number.

89802469 is a deficient number, since it is larger than the sum of its proper divisors (1).

89802469 is an equidigital number, since it uses as much as digits as its factorization.

89802469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 89802469 is about 9476.4164640438. The cubic root of 89802469 is about 447.8123765917.

It can be divided in two parts, 8980 and 2469, that added together give a square (11449 = 107²).

The spelling of 89802469 in words is "eighty-nine million, eight hundred two thousand, four hundred sixty-nine".