989089451 has 6 divisors (see below), whose sum is σ = 1150573500. Its totient is φ = 847790916.

The previous prime is 989089433. The next prime is 989089463. The reversal of 989089451 is 154980989.

It is not a de Polignac number, because 989089451 - 2¹⁰ = 989088427 is a prime.

It is a super-3 number, since 3×989089451³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 989089393 and 989089402.

It is not an unprimeable number, because it can be changed into a prime (989089421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10092701 + ... + 10092798.

It is an arithmetic number, because the mean of its divisors is an integer number (191762250).

Almost surely, 2^989089451 is an apocalyptic number.

989089451 is a deficient number, since it is larger than the sum of its proper divisors (161484049).

989089451 is a wasteful number, since it uses less digits than its factorization.

989089451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20185513 (or 20185506 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 989089451 is about 31449.7925430360. The cubic root of 989089451 is about 996.3498428976.

The spelling of 989089451 in words is "nine hundred eighty-nine million, eighty-nine thousand, four hundred fifty-one".