989235051 has 8 divisors (see below), whose sum is σ = 1507405824. Its totient is φ = 565277160.

The previous prime is 989235043. The next prime is 989235053. The reversal of 989235051 is 150532989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 989235051 - 2³ = 989235043 is a prime.

It is a super-2 number, since 2×989235051² = 1957171972253945202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 989234994 and 989235012.

It is not an unprimeable number, because it can be changed into a prime (989235053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23553195 + ... + 23553236.

It is an arithmetic number, because the mean of its divisors is an integer number (188425728).

Almost surely, 2^989235051 is an apocalyptic number.

989235051 is a deficient number, since it is larger than the sum of its proper divisors (518170773).

989235051 is a wasteful number, since it uses less digits than its factorization.

989235051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47106441.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 989235051 is about 31452.1072584970. The cubic root of 989235051 is about 996.3987300902.

The spelling of 989235051 in words is "nine hundred eighty-nine million, two hundred thirty-five thousand, fifty-one".