90847433 has 8 divisors (see below), whose sum is σ = 94538400. Its totient is φ = 87228288.

The previous prime is 90847403. The next prime is 90847451. The reversal of 90847433 is 33474809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90847433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90847403) 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 7 ways as a sum of consecutive naturals, for example, 15368 + ... + 20441.

It is an arithmetic number, because the mean of its divisors is an integer number (11817300).

Almost surely, 2^90847433 is an apocalyptic number.

It is an amenable number.

90847433 is a deficient number, since it is larger than the sum of its proper divisors (3690967).

90847433 is a wasteful number, since it uses less digits than its factorization.

90847433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35911.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 90847433 is about 9531.3919759918. The cubic root of 90847433 is about 449.5426348952.

The spelling of 90847433 in words is "ninety million, eight hundred forty-seven thousand, four hundred thirty-three".