90103417 has 8 divisors (see below), whose sum is σ = 95958216. Its totient is φ = 84310272.

The previous prime is 90103381. The next prime is 90103423. The reversal of 90103417 is 71430109.

It can be written as a sum of positive squares in 4 ways, for example, as 68906601 + 21196816 = 8301^2 + 4604^2 .

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 90103417 - 2⁷ = 90103289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90103391 and 90103400.

It is not an unprimeable number, because it can be changed into a prime (90103457) 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, 12378 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (11994777).

Almost surely, 2^90103417 is an apocalyptic number.

It is an amenable number.

90103417 is a deficient number, since it is larger than the sum of its proper divisors (5854799).

90103417 is a wasteful number, since it uses less digits than its factorization.

90103417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30827.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 90103417 is about 9492.2819701060. The cubic root of 90103417 is about 448.3120583717.

The spelling of 90103417 in words is "ninety million, one hundred three thousand, four hundred seventeen".