99803554 has 8 divisors (see below), whose sum is σ = 151187868. Its totient is φ = 49407600.

The previous prime is 99803533. The next prime is 99803563. The reversal of 99803554 is 45530899.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69806025 + 29997529 = 8355^2 + 5477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99803554.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246837 + ... + 247240.

Almost surely, 2^99803554 is an apocalyptic number.

99803554 is a deficient number, since it is larger than the sum of its proper divisors (51384314).

99803554 is a wasteful number, since it uses less digits than its factorization.

99803554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494180.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 99803554 is about 9990.1728713772. The cubic root of 99803554 is about 463.8547435974.

The spelling of 99803554 in words is "ninety-nine million, eight hundred three thousand, five hundred fifty-four".