90010305 has 96 divisors (see below), whose sum is σ = 203230080. Its totient is φ = 37376640.

The previous prime is 90010303. The next prime is 90010313. The reversal of 90010305 is 50301009.

It is not a de Polignac number, because 90010305 - 2¹ = 90010303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90010301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 72147 + ... + 73383.

It is an arithmetic number, because the mean of its divisors is an integer number (2116980).

Almost surely, 2^90010305 is an apocalyptic number.

It is an amenable number.

90010305 is an abundant number, since it is smaller than the sum of its proper divisors (113219775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90010305 is a wasteful number, since it uses less digits than its factorization.

90010305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 90010305 is about 9487.3760861473. The cubic root of 90010305 is about 448.1575780311.

The spelling of 90010305 in words is "ninety million, ten thousand, three hundred five".