99293071 has 4 divisors (see below), whose sum is σ = 102717000. Its totient is φ = 95869144.

The previous prime is 99293057. The next prime is 99293083. The reversal of 99293071 is 17039299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99293071 is a prime.

It is a super-2 number, since 2×99293071² = 19718227897222082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99293041) 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 3 ways as a sum of consecutive naturals, for example, 1711921 + ... + 1711978.

It is an arithmetic number, because the mean of its divisors is an integer number (25679250).

Almost surely, 2^99293071 is an apocalyptic number.

99293071 is a deficient number, since it is larger than the sum of its proper divisors (3423929).

99293071 is a wasteful number, since it uses less digits than its factorization.

99293071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423928.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 99293071 is about 9964.5908596389. The cubic root of 99293071 is about 463.0625379095.

The spelling of 99293071 in words is "ninety-nine million, two hundred ninety-three thousand, seventy-one".