90335419 has 2 divisors, whose sum is σ = 90335420. Its totient is φ = 90335418.

The previous prime is 90335417. The next prime is 90335437. The reversal of 90335419 is 91453309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90335419 - 2¹ = 90335417 is a prime.

It is a super-2 number, since 2×90335419² = 16320975851811122, which contains 22 as substring.

Together with 90335417, it forms a pair of twin primes.

It is equal to p_5235397 and since 90335419 and 5235397 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (90335417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45167709 + 45167710.

It is an arithmetic number, because the mean of its divisors is an integer number (45167710).

Almost surely, 2^90335419 is an apocalyptic number.

90335419 is a deficient number, since it is larger than the sum of its proper divisors (1).

90335419 is an equidigital number, since it uses as much as digits as its factorization.

90335419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 90335419 is about 9504.4946735742. The cubic root of 90335419 is about 448.6965060651.

The spelling of 90335419 in words is "ninety million, three hundred thirty-five thousand, four hundred nineteen".