90008345 has 32 divisors (see below), whose sum is σ = 130099200. Its totient is φ = 59693760.

The previous prime is 90008341. The next prime is 90008351. The reversal of 90008345 is 54380009.

It is not a de Polignac number, because 90008345 - 2² = 90008341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90008341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52319 + ... + 54011.

It is an arithmetic number, because the mean of its divisors is an integer number (4065600).

Almost surely, 2^90008345 is an apocalyptic number.

It is an amenable number.

90008345 is a deficient number, since it is larger than the sum of its proper divisors (40090855).

90008345 is a wasteful number, since it uses less digits than its factorization.

90008345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 90008345 is about 9487.2727904282. The cubic root of 90008345 is about 448.1543250879.

The spelling of 90008345 in words is "ninety million, eight thousand, three hundred forty-five".