895984489 has 9 divisors (see below), whose sum is σ = 921994437. Its totient is φ = 870691104.

The previous prime is 895984483. The next prime is 895984499. The reversal of 895984489 is 984489598.

The square root of 895984489 is 29933.

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

It can be written as a sum of positive squares in 4 ways, for example, as 538472025 + 357512464 = 23205^2 + 18908^2 .

It is not a de Polignac number, because 895984489 - 2⁷ = 895984361 is a prime.

It is a super-2 number, since 2×895984489² = 1605576409057182242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 895984489.

It is not an unprimeable number, because it can be changed into a prime (895984483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1107117 + ... + 1107925.

Almost surely, 2^895984489 is an apocalyptic number.

895984489 is the 29933-rd square number.

895984489 is the 14967-th centered octagonal number.

It is an amenable number.

895984489 is a deficient number, since it is larger than the sum of its proper divisors (26009948).

895984489 is an frugal number, since it uses more digits than its factorization.

895984489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 846 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 64.

The cubic root of 895984489 is about 964.0513425849.

Multiplying 895984489 by its sum of digits (64), we get a square (57343007296 = 239464²).

The spelling of 895984489 in words is "eight hundred ninety-five million, nine hundred eighty-four thousand, four hundred eighty-nine".