90341009 has 16 divisors (see below), whose sum is σ = 104690880. Its totient is φ = 77045760.

The previous prime is 90340997. The next prime is 90341011. The reversal of 90341009 is 90014309.

It is a happy number.

It is not a de Polignac number, because 90341009 - 2⁴ = 90340993 is a prime.

It is a super-2 number, since 2×90341009² = 16322995814276162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90341059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77777 + ... + 78929.

It is an arithmetic number, because the mean of its divisors is an integer number (6543180).

Almost surely, 2^90341009 is an apocalyptic number.

It is an amenable number.

90341009 is a deficient number, since it is larger than the sum of its proper divisors (14349871).

90341009 is a wasteful number, since it uses less digits than its factorization.

90341009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 90341009 is about 9504.7887404192. The cubic root of 90341009 is about 448.7057610608.

The spelling of 90341009 in words is "ninety million, three hundred forty-one thousand, nine".