99998741 has 4 divisors (see below), whose sum is σ = 100301184. Its totient is φ = 99696300.

The previous prime is 99998663. The next prime is 99998749. The reversal of 99998741 is 14789999.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99998741 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998749) 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, 150725 + ... + 151386.

It is an arithmetic number, because the mean of its divisors is an integer number (25075296).

Almost surely, 2^99998741 is an apocalyptic number.

It is an amenable number.

99998741 is a deficient number, since it is larger than the sum of its proper divisors (302443).

99998741 is a wasteful number, since it uses less digits than its factorization.

99998741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302442.

The product of its digits is 1469664, while the sum is 56.

The square root of 99998741 is about 9999.9370498019. The cubic root of 99998741 is about 464.1569354330.

The spelling of 99998741 in words is "ninety-nine million, nine hundred ninety-eight thousand, seven hundred forty-one".