99663460 has 24 divisors (see below), whose sum is σ = 225393336. Its totient is φ = 36798720.

The previous prime is 99663457. The next prime is 99663461. The reversal of 99663460 is 6436699.

It can be written as a sum of positive squares in 4 ways, for example, as 12166144 + 87497316 = 3488^2 + 9354^2 .

It is not an unprimeable number, because it can be changed into a prime (99663461) 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, 191401 + ... + 191920.

It is an arithmetic number, because the mean of its divisors is an integer number (9391389).

Almost surely, 2^99663460 is an apocalyptic number.

It is an amenable number.

99663460 is an abundant number, since it is smaller than the sum of its proper divisors (125729876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99663460 is a wasteful number, since it uses less digits than its factorization.

99663460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383343 (or 383341 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 99663460 is about 9983.1588187307. The cubic root of 99663460 is about 463.6376047175.

It can be divided in two parts, 9966 and 3460, that multiplied together give a triangular number (34482360 = T₈₃₀₄).

The spelling of 99663460 in words is "ninety-nine million, six hundred sixty-three thousand, four hundred sixty".