99481401 has 24 divisors (see below), whose sum is σ = 145736136. Its totient is φ = 65387520.

The previous prime is 99481381. The next prime is 99481439. The reversal of 99481401 is 10418499.

It can be written as a sum of positive squares in 4 ways, for example, as 5875776 + 93605625 = 2424^2 + 9675^2 .

It is not a de Polignac number, because 99481401 - 2¹⁰ = 99480377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99481001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281641 + ... + 281993.

It is an arithmetic number, because the mean of its divisors is an integer number (6072339).

Almost surely, 2^99481401 is an apocalyptic number.

It is an amenable number.

99481401 is a deficient number, since it is larger than the sum of its proper divisors (46254735).

99481401 is a wasteful number, since it uses less digits than its factorization.

99481401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 99481401 is about 9974.0363444295. The cubic root of 99481401 is about 463.3551178734.

The spelling of 99481401 in words is "ninety-nine million, four hundred eighty-one thousand, four hundred one".