89056969 has 3 divisors (see below), whose sum is σ = 89066407. Its totient is φ = 89047532.

The previous prime is 89056967. The next prime is 89057051. The reversal of 89056969 is 96965098.

It is a happy number.

The square root of 89056969 is 9437.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 50765625 + 38291344 = 7125^2 + 6188^2 .

It is not a de Polignac number, because 89056969 - 2¹ = 89056967 is a prime.

It is a super-2 number, since 2×89056969² = 15862287454933922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89056967) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4719 + ... + 14155.

Almost surely, 2^89056969 is an apocalyptic number.

89056969 is the 9437-th square number.

89056969 is the 4719-th centered octagonal number.

It is an amenable number.

89056969 is a deficient number, since it is larger than the sum of its proper divisors (9438).

89056969 is an frugal number, since it uses more digits than its factorization.

89056969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18874 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 52.

The cubic root of 89056969 is about 446.5697521848.

The spelling of 89056969 in words is "eighty-nine million, fifty-six thousand, nine hundred sixty-nine".