99539351 has 8 divisors (see below), whose sum is σ = 100458624. Its totient is φ = 98623800.

The previous prime is 99539333. The next prime is 99539371. The reversal of 99539351 is 15393599.

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 99539351 - 2¹⁴ = 99522967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99539371) 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, 88076 + ... + 89198.

It is an arithmetic number, because the mean of its divisors is an integer number (12557328).

Almost surely, 2^99539351 is an apocalyptic number.

99539351 is a deficient number, since it is larger than the sum of its proper divisors (919273).

99539351 is a wasteful number, since it uses less digits than its factorization.

99539351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its digits is 164025, while the sum is 44.

The square root of 99539351 is about 9976.9409640430. The cubic root of 99539351 is about 463.4450717632.

The spelling of 99539351 in words is "ninety-nine million, five hundred thirty-nine thousand, three hundred fifty-one".