90068339 has 2 divisors, whose sum is σ = 90068340. Its totient is φ = 90068338.

The previous prime is 90068327. The next prime is 90068347. The reversal of 90068339 is 93386009.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90068339 is a prime.

It is a super-2 number, since 2×90068339² = 16224611380437842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90068369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45034169 + 45034170.

It is an arithmetic number, because the mean of its divisors is an integer number (45034170).

Almost surely, 2^90068339 is an apocalyptic number.

90068339 is a deficient number, since it is larger than the sum of its proper divisors (1).

90068339 is an equidigital number, since it uses as much as digits as its factorization.

90068339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 90068339 is about 9490.4340785867. The cubic root of 90068339 is about 448.2538736321.

The spelling of 90068339 in words is "ninety million, sixty-eight thousand, three hundred thirty-nine".