989469 has 16 divisors (see below), whose sum is σ = 1579200. Its totient is φ = 608688.

The previous prime is 989467. The next prime is 989477. The reversal of 989469 is 964989.

It is not a de Polignac number, because 989469 - 2¹ = 989467 is a prime.

It is a super-2 number, since 2×989469² = 1958097803922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (98700).

2⁹⁸⁹⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

989469 is a deficient number, since it is larger than the sum of its proper divisors (589731).

989469 is a wasteful number, since it uses less digits than its factorization.

989469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841 (or 2835 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 989469 is about 994.7205637766. The cubic root of 989469 is about 99.6477271623.

The spelling of 989469 in words is "nine hundred eighty-nine thousand, four hundred sixty-nine".