99746861 has 4 divisors (see below), whose sum is σ = 99796224. Its totient is φ = 99697500.

The previous prime is 99746849. The next prime is 99746873. The reversal of 99746861 is 16864799.

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 an interprime number because it is at equal distance from previous prime (99746849) and next prime (99746873).

It is a cyclic number.

It is not a de Polignac number, because 99746861 - 2⁶ = 99746797 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 (99746161) 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, 21515 + ... + 25736.

It is an arithmetic number, because the mean of its divisors is an integer number (24949056).

Almost surely, 2^99746861 is an apocalyptic number.

It is an amenable number.

99746861 is a deficient number, since it is larger than the sum of its proper divisors (49363).

99746861 is a wasteful number, since it uses less digits than its factorization.

99746861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49362.

The product of its digits is 653184, while the sum is 50.

The square root of 99746861 is about 9987.3350299267. The cubic root of 99746861 is about 463.7668966994.

The spelling of 99746861 in words is "ninety-nine million, seven hundred forty-six thousand, eight hundred sixty-one".