99860930 has 16 divisors (see below), whose sum is σ = 193576824. Its totient is φ = 36871680.

The previous prime is 99860927. The next prime is 99860933. The reversal of 99860930 is 3906899.

It is an interprime number because it is at equal distance from previous prime (99860927) and next prime (99860933).

It can be written as a sum of positive squares in 4 ways, for example, as 80156209 + 19704721 = 8953^2 + 4439^2 .

It is not an unprimeable number, because it can be changed into a prime (99860933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383951 + ... + 384210.

Almost surely, 2^99860930 is an apocalyptic number.

99860930 is a deficient number, since it is larger than the sum of its proper divisors (93715894).

99860930 is a wasteful number, since it uses less digits than its factorization.

99860930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768181.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 99860930 is about 9993.0440807594. The cubic root of 99860930 is about 463.9436149528.

The spelling of 99860930 in words is "ninety-nine million, eight hundred sixty thousand, nine hundred thirty".