99860361 has 4 divisors (see below), whose sum is σ = 133147152. Its totient is φ = 66573572.

The previous prime is 99860353. The next prime is 99860381. The reversal of 99860361 is 16306899.

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 not a de Polignac number, because 99860361 - 2³ = 99860353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99860381) 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, 16643391 + ... + 16643396.

It is an arithmetic number, because the mean of its divisors is an integer number (33286788).

Almost surely, 2^99860361 is an apocalyptic number.

It is an amenable number.

99860361 is a deficient number, since it is larger than the sum of its proper divisors (33286791).

99860361 is a wasteful number, since it uses less digits than its factorization.

99860361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33286790.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 99860361 is about 9993.0156109155. The cubic root of 99860361 is about 463.9427337793.

The spelling of 99860361 in words is "ninety-nine million, eight hundred sixty thousand, three hundred sixty-one".