98920379 has 2 divisors, whose sum is σ = 98920380. Its totient is φ = 98920378.

The previous prime is 98920369. The next prime is 98920397. The reversal of 98920379 is 97302989.

Together with next prime (98920397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98920379 - 2⁸ = 98920123 is a prime.

It is not a weakly prime, because it can be changed into another prime (98920319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49460189 + 49460190.

It is an arithmetic number, because the mean of its divisors is an integer number (49460190).

Almost surely, 2^98920379 is an apocalyptic number.

98920379 is a deficient number, since it is larger than the sum of its proper divisors (1).

98920379 is an equidigital number, since it uses as much as digits as its factorization.

98920379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 98920379 is about 9945.8724604732. The cubic root of 98920379 is about 462.4824501741.

It can be divided in two parts, 98920 and 379, that added together give a palindrome (99299).

The spelling of 98920379 in words is "ninety-eight million, nine hundred twenty thousand, three hundred seventy-nine".