90849467 has 4 divisors (see below), whose sum is σ = 93304896. Its totient is φ = 88394040.

The previous prime is 90849457. The next prime is 90849523. The reversal of 90849467 is 76494809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76494809 = 859 ⋅89051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90849467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90849457) 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, 1227659 + ... + 1227732.

It is an arithmetic number, because the mean of its divisors is an integer number (23326224).

Almost surely, 2^90849467 is an apocalyptic number.

90849467 is a deficient number, since it is larger than the sum of its proper divisors (2455429).

90849467 is a wasteful number, since it uses less digits than its factorization.

90849467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455428.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 90849467 is about 9531.4986754445. The cubic root of 90849467 is about 449.5459898346.

The spelling of 90849467 in words is "ninety million, eight hundred forty-nine thousand, four hundred sixty-seven".