98900381 has 2 divisors, whose sum is σ = 98900382. Its totient is φ = 98900380.

The previous prime is 98900369. The next prime is 98900383. The reversal of 98900381 is 18300989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95160025 + 3740356 = 9755^2 + 1934^2 .

It is a cyclic number.

It is not a de Polignac number, because 98900381 - 2⁶ = 98900317 is a prime.

It is a super-2 number, since 2×98900381² = 19562570723890322, which contains 22 as substring.

Together with 98900383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98900383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49450190 + 49450191.

It is an arithmetic number, because the mean of its divisors is an integer number (49450191).

Almost surely, 2^98900381 is an apocalyptic number.

It is an amenable number.

98900381 is a deficient number, since it is larger than the sum of its proper divisors (1).

98900381 is an equidigital number, since it uses as much as digits as its factorization.

98900381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 98900381 is about 9944.8670679904. The cubic root of 98900381 is about 462.4512825237.

The spelling of 98900381 in words is "ninety-eight million, nine hundred thousand, three hundred eighty-one".