90058409 has 8 divisors (see below), whose sum is σ = 107399040. Its totient is φ = 73836576.

The previous prime is 90058399. The next prime is 90058417. The reversal of 90058409 is 90485009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90058409 is a prime.

It is a super-2 number, since 2×90058409² = 16221034063222562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90058429) 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, 279524 + ... + 279845.

It is an arithmetic number, because the mean of its divisors is an integer number (13424880).

Almost surely, 2^90058409 is an apocalyptic number.

It is an amenable number.

90058409 is a deficient number, since it is larger than the sum of its proper divisors (17340631).

90058409 is a wasteful number, since it uses less digits than its factorization.

90058409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559399.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 90058409 is about 9489.9109057989. The cubic root of 90058409 is about 448.2373997539.

The spelling of 90058409 in words is "ninety million, fifty-eight thousand, four hundred nine".