99989046 has 16 divisors (see below), whose sum is σ = 222198000. Its totient is φ = 33329664.

The previous prime is 99989041. The next prime is 99989047. The reversal of 99989046 is 64098999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1851649 = 99989046 / (9 + 9 + 9 + 8 + 9 + 0 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 99988983 and 99989001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99989041) 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 7 ways as a sum of consecutive naturals, for example, 925771 + ... + 925878.

It is an arithmetic number, because the mean of its divisors is an integer number (13887375).

Almost surely, 2^99989046 is an apocalyptic number.

99989046 is an abundant number, since it is smaller than the sum of its proper divisors (122208954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99989046 is a wasteful number, since it uses less digits than its factorization.

99989046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851660 (or 1851654 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 99989046 is about 9999.4522850004. The cubic root of 99989046 is about 464.1419347544.

It can be divided in two parts, 9998 and 9046, that added together give a square (19044 = 138²).

The spelling of 99989046 in words is "ninety-nine million, nine hundred eighty-nine thousand, forty-six".