99483781 has 2 divisors, whose sum is σ = 99483782. Its totient is φ = 99483780.

The previous prime is 99483773. The next prime is 99483803. The reversal of 99483781 is 18738499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52780225 + 46703556 = 7265^2 + 6834^2 .

It is a cyclic number.

It is not a de Polignac number, because 99483781 - 2³ = 99483773 is a prime.

It is a super-2 number, since 2×99483781² = 19794045364111922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99483701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49741890 + 49741891.

It is an arithmetic number, because the mean of its divisors is an integer number (49741891).

Almost surely, 2^99483781 is an apocalyptic number.

It is an amenable number.

99483781 is a deficient number, since it is larger than the sum of its proper divisors (1).

99483781 is an equidigital number, since it uses as much as digits as its factorization.

99483781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 99483781 is about 9974.1556534877. The cubic root of 99483781 is about 463.3588129574.

The spelling of 99483781 in words is "ninety-nine million, four hundred eighty-three thousand, seven hundred eighty-one".