90379 has 2 divisors, whose sum is σ = 90380. Its totient is φ = 90378.

The previous prime is 90373. The next prime is 90397. The reversal of 90379 is 97309.

Together with next prime (90397) 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 90379 - 2³ = 90371 is a prime.

90379 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (90371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45189 + 45190.

It is an arithmetic number, because the mean of its divisors is an integer number (45190).

2⁹⁰³⁷⁹ is an apocalyptic number.

90379 is a deficient number, since it is larger than the sum of its proper divisors (1).

90379 is an equidigital number, since it uses as much as digits as its factorization.

90379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 90379 is about 300.6310030586. The cubic root of 90379 is about 44.8768650151.

The spelling of 90379 in words is "ninety thousand, three hundred seventy-nine".