90241667 has 4 divisors (see below), whose sum is σ = 91329000. Its totient is φ = 89154336.

The previous prime is 90241643. The next prime is 90241691. The reversal of 90241667 is 76614209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76614209 = 7 ⋅10944887.

It is an interprime number because it is at equal distance from previous prime (90241643) and next prime (90241691).

It is a cyclic number.

It is not a de Polignac number, because 90241667 - 2⁶ = 90241603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90241607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543542 + ... + 543707.

It is an arithmetic number, because the mean of its divisors is an integer number (22832250).

Almost surely, 2^90241667 is an apocalyptic number.

90241667 is a deficient number, since it is larger than the sum of its proper divisors (1087333).

90241667 is a wasteful number, since it uses less digits than its factorization.

90241667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087332.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 90241667 is about 9499.5614109284. The cubic root of 90241667 is about 448.5412301092.

The spelling of 90241667 in words is "ninety million, two hundred forty-one thousand, six hundred sixty-seven".