99538737 has 8 divisors (see below), whose sum is σ = 136999680. Its totient is φ = 64218480.

The previous prime is 99538729. The next prime is 99538753. The reversal of 99538737 is 73783599.

It is a happy number.

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

It is not a de Polignac number, because 99538737 - 2³ = 99538729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99538737.

It is not an unprimeable number, because it can be changed into a prime (99538727) 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, 535062 + ... + 535247.

It is an arithmetic number, because the mean of its divisors is an integer number (17124960).

Almost surely, 2^99538737 is an apocalyptic number.

It is an amenable number.

99538737 is a deficient number, since it is larger than the sum of its proper divisors (37460943).

99538737 is a wasteful number, since it uses less digits than its factorization.

99538737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070343.

The product of its digits is 1428840, while the sum is 51.

The square root of 99538737 is about 9976.9101930407. The cubic root of 99538737 is about 463.4441188541. Note that the first 3 decimals are identical.

The spelling of 99538737 in words is "ninety-nine million, five hundred thirty-eight thousand, seven hundred thirty-seven".