90006347 has 8 divisors (see below), whose sum is σ = 95454576. Its totient is φ = 84575232.

The previous prime is 90006289. The next prime is 90006403. The reversal of 90006347 is 74360009.

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 90006347 - 2¹⁶ = 89940811 is a prime.

It is a super-2 number, since 2×90006347² = 16202285000568818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90006047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7508 + ... + 15374.

It is an arithmetic number, because the mean of its divisors is an integer number (11931822).

Almost surely, 2^90006347 is an apocalyptic number.

90006347 is a deficient number, since it is larger than the sum of its proper divisors (5448229).

90006347 is a wasteful number, since it uses less digits than its factorization.

90006347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 90006347 is about 9487.1674908795. The cubic root of 90006347 is about 448.1510090288.

The spelling of 90006347 in words is "ninety million, six thousand, three hundred forty-seven".