90343447 has 8 divisors (see below), whose sum is σ = 92408256. Its totient is φ = 88284672.

The previous prime is 90343441. The next prime is 90343469. The reversal of 90343447 is 74434309.

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

It is a cyclic number.

It is not a de Polignac number, because 90343447 - 2¹⁵ = 90310679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90343441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43783 + ... + 45799.

It is an arithmetic number, because the mean of its divisors is an integer number (11551032).

Almost surely, 2^90343447 is an apocalyptic number.

90343447 is a deficient number, since it is larger than the sum of its proper divisors (2064809).

90343447 is a wasteful number, since it uses less digits than its factorization.

90343447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 90343447 is about 9504.9169906949. The cubic root of 90343447 is about 448.7097973776.

The spelling of 90343447 in words is "ninety million, three hundred forty-three thousand, four hundred forty-seven".