90436967 has 2 divisors, whose sum is σ = 90436968. Its totient is φ = 90436966.

The previous prime is 90436963. The next prime is 90437023. The reversal of 90436967 is 76963409.

It is a weak prime.

It is an emirp because it is prime and its reverse (76963409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90436967 - 2² = 90436963 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90436963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45218483 + 45218484.

It is an arithmetic number, because the mean of its divisors is an integer number (45218484).

Almost surely, 2^90436967 is an apocalyptic number.

90436967 is a deficient number, since it is larger than the sum of its proper divisors (1).

90436967 is an equidigital number, since it uses as much as digits as its factorization.

90436967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 90436967 is about 9509.8352772275. The cubic root of 90436967 is about 448.8645729235.

The spelling of 90436967 in words is "ninety million, four hundred thirty-six thousand, nine hundred sixty-seven".