99334681 has 4 divisors (see below), whose sum is σ = 99780352. Its totient is φ = 98889012.

The previous prime is 99334673. The next prime is 99334691. The reversal of 99334681 is 18643399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18643399 = 1109 ⋅16811.

It is a cyclic number.

It is not a de Polignac number, because 99334681 - 2³ = 99334673 is a prime.

It is a super-2 number, since 2×99334681² = 19734757698743522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99334661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222501 + ... + 222946.

It is an arithmetic number, because the mean of its divisors is an integer number (24945088).

Almost surely, 2^99334681 is an apocalyptic number.

It is an amenable number.

99334681 is a deficient number, since it is larger than the sum of its proper divisors (445671).

99334681 is a wasteful number, since it uses less digits than its factorization.

99334681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445670.

The product of its digits is 139968, while the sum is 43.

The square root of 99334681 is about 9966.6785339952. The cubic root of 99334681 is about 463.1272129204.

The spelling of 99334681 in words is "ninety-nine million, three hundred thirty-four thousand, six hundred eighty-one".