98036781 has 16 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 63505280.

The previous prime is 98036779. The next prime is 98036801. The reversal of 98036781 is 18763089.

It is a cyclic number.

It is not a de Polignac number, because 98036781 - 2¹ = 98036779 is a prime.

It is a super-2 number, since 2×98036781² = 19222420857683922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98036581) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31606 + ... + 34568.

It is an arithmetic number, because the mean of its divisors is an integer number (8402940).

Almost surely, 2^98036781 is an apocalyptic number.

It is an amenable number.

98036781 is a deficient number, since it is larger than the sum of its proper divisors (36410259).

98036781 is a wasteful number, since it uses less digits than its factorization.

98036781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 98036781 is about 9901.3524833732. The cubic root of 98036781 is about 461.1013010585.

The spelling of 98036781 in words is "ninety-eight million, thirty-six thousand, seven hundred eighty-one".