90396967 has 2 divisors, whose sum is σ = 90396968. Its totient is φ = 90396966.

The previous prime is 90396953. The next prime is 90396979. The reversal of 90396967 is 76969309.

It is a strong prime.

It is an emirp because it is prime and its reverse (76969309) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90396967 is a prime.

It is a super-2 number, since 2×90396967² = 16343223285598178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90396967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90396367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45198483 + 45198484.

It is an arithmetic number, because the mean of its divisors is an integer number (45198484).

Almost surely, 2^90396967 is an apocalyptic number.

90396967 is a deficient number, since it is larger than the sum of its proper divisors (1).

90396967 is an equidigital number, since it uses as much as digits as its factorization.

90396967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 90396967 is about 9507.7319587797. The cubic root of 90396967 is about 448.7983860118.

The spelling of 90396967 in words is "ninety million, three hundred ninety-six thousand, nine hundred sixty-seven".