90458419 has 2 divisors, whose sum is σ = 90458420. Its totient is φ = 90458418.

The previous prime is 90458383. The next prime is 90458447. The reversal of 90458419 is 91485409.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90458419 is a prime.

It is a super-2 number, since 2×90458419² = 16365451135959122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90452419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45229209 + 45229210.

It is an arithmetic number, because the mean of its divisors is an integer number (45229210).

Almost surely, 2^90458419 is an apocalyptic number.

90458419 is a deficient number, since it is larger than the sum of its proper divisors (1).

90458419 is an equidigital number, since it uses as much as digits as its factorization.

90458419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 90458419 is about 9510.9630952917. The cubic root of 90458419 is about 448.9000609246.

The spelling of 90458419 in words is "ninety million, four hundred fifty-eight thousand, four hundred nineteen".