98430381 has 48 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 53763840.

The previous prime is 98430377. The next prime is 98430401. The reversal of 98430381 is 18303489.

It is not a de Polignac number, because 98430381 - 2² = 98430377 is a prime.

It is a super-2 number, since 2×98430381² = 19377079807610322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98430331) 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 47 ways as a sum of consecutive naturals, for example, 136540 + ... + 137258.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^98430381 is an apocalyptic number.

It is an amenable number.

98430381 is a deficient number, since it is larger than the sum of its proper divisors (71397459).

98430381 is a wasteful number, since it uses less digits than its factorization.

98430381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 98430381 is about 9921.2086461277. The cubic root of 98430381 is about 461.7175566041.

The spelling of 98430381 in words is "ninety-eight million, four hundred thirty thousand, three hundred eighty-one".