99941436 has 144 divisors (see below), whose sum is σ = 313709760. Its totient is φ = 26173440.

The previous prime is 99941321. The next prime is 99941447. The reversal of 99941436 is 63414999.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 99941391 and 99941400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175360 + ... + 175928.

It is an arithmetic number, because the mean of its divisors is an integer number (2178540).

Almost surely, 2^99941436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99941436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156854880).

99941436 is an abundant number, since it is smaller than the sum of its proper divisors (213768324).

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

99941436 is a wasteful number, since it uses less digits than its factorization.

99941436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 639 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 99941436 is about 9997.0713711567. The cubic root of 99941436 is about 464.0682556644.

The spelling of 99941436 in words is "ninety-nine million, nine hundred forty-one thousand, four hundred thirty-six".