99489047 has 8 divisors (see below), whose sum is σ = 113805216. Its totient is φ = 85198752.

The previous prime is 99489043. The next prime is 99489067. The reversal of 99489047 is 74098499.

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

It is a cyclic number.

It is not a de Polignac number, because 99489047 - 2² = 99489043 is a prime.

It is a super-3 number, since 3×99489047³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99488986 and 99489004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99489043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633 + ... + 14349.

It is an arithmetic number, because the mean of its divisors is an integer number (14225652).

Almost surely, 2^99489047 is an apocalyptic number.

99489047 is a deficient number, since it is larger than the sum of its proper divisors (14316169).

99489047 is a wasteful number, since it uses less digits than its factorization.

99489047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 99489047 is about 9974.4196322393. The cubic root of 99489047 is about 463.3669885093.

The spelling of 99489047 in words is "ninety-nine million, four hundred eighty-nine thousand, forty-seven".